I developed web application i want to sell it on internet jobs

It is necessary solve some few errors that have my application. It is necessary experience in laravel coding. Please send me your experiences in complex coding not simple web). If you show me the experiences, I will send the details of changes

I am seeking a talented developer to create an innovative web & app-based fatigue management system targeting working professionals. This solution must be user-friendly, affordable, and highly effective in tracking user fatigue levels. Key Requirements: - The backend server must be built using Python / Django. - The frontend needs to be developed with React. - The database must be PostgreSQL. - The web server required is Nginx. - The Containerization required Docker - The CI/CD Pipeline must be Jenkins or GitLab CI ============== Ideal Skills: - Proficiency in Python / Django and React. - Strong experience with database management, especially PostgreSQL. - Prior experience in developing mobile applications. - Ability to create an engagi...

I'm in...a Windows-compatible aimbot driver for CS2. It need to work with faceit anti-cheat. The application must be developed in C++ and should focus on providing two key features: aim lock and enemy spotting. Key Requirements: - A Windows OS compatible aimbot driver. - Developed in C++ programming language. - Aim lock feature that assists in targeting enemies. - Enemy spotting feature for better tactical awareness and gameplay. Ideal candidates should have: - Proficiency in C++ and Windows driver development. - Reverse engineering - Previous experience in designing and building aimbot software. - Understanding of game mechanics, especially CS2. This project requires someone with the right technical skills and understanding of gaming p...

I'm looking for a freelancer who can provide me with the links to Facebook pages of specific public figures/politicians, total of 1215 (IMPORTANT! I need only pages, NOT private profiles). The links should be delivered in google sheets which I will provide, along with the names. Key Requirements: - Compile a list of specified Facebook pages - Deliver the links in google seets Ideal Skills and Experience: - Proficiency in Internet Research - Experience with Excel or Google Sheets - Strong attention to detail - Ability to follow instructions accurately

I am looking to sell my batch of Nike shoes online, through simultaneously leveraging the viral nature of TikTok. I aim to showcase the various styles and unique selling points of these shoes through creative, captivating videos that naturally weave in my product. Key tasks: - Scripting, shooting, and editing video content for TikTok where different styles of Nike shoes are highlighted. - Ensuring the product is displayed in a manner that captures the viewers' attention and evokes a desire to buy. - Monitoring the performance of the videos in real-time for engagement and conversion metrics. The ideal freelancer for this project will have: - Demonstrable experience in social media marketing, specifically on TikTok. - Skill and cre...

Looking for an adept developer to create a Telegram bot that simplifies the manual posting of trading signals. Key functionality to include a highly user-friendly interface that eases the manual trading signals posting process. Platform and Integration Requirements: The bot should be developed to function within the Telegram platform. It should integrate seamlessly with Telegram's API for real-time communication with subscribers. Ensure compatibility with various devices and operating systems commonly used by Telegram users. 1. Signal Posting: Provide a user-friendly interface for the manual posting of trading signals by administrators. Allow administrators to include essential information such as asset name, entry price, stop-loss, take-pro...

We have an established application, constructed utilizing ASP .NET for the backend, Swift for iOS front-end, and Java for Android front-end systems. We require a highly accomplished team of developers to assist us with the following: • Feature Change: We're looking to alter some functionalities in our current application. Details will be provided to the selected team. • Bug Fix: Our application has been experiencing errors with Login/Authentication, Notifications, and Payment systems. These need to be diagnosed and corrected proficiently. The ideal team for this project would have substantial experience in ASP .NET, Swift, and Java, as well as a deep understanding of debugging complex application issues. Exceptional ...

I need someone who is expert in Instagram to create an Instagram profile for me with e books to sell. I can send you all the details.

I'm seeking an experienced Cisco GNS3 trainer, fluent in Arabic, for remote instruction. Generous knowledge in the following areas is a must: - Network fundamentals - Routing and switching - Security and firewalls - Wifi and VOIP When applying, please detail your direct experience with these topics and any successful training sessions that y...following areas is a must: - Network fundamentals - Routing and switching - Security and firewalls - Wifi and VOIP When applying, please detail your direct experience with these topics and any successful training sessions that you've undertaken in the past. Proficiency in other languages is welcome but not a necessity. The training will be conducted remotely, so reliable internet and suitable hardware is a must. I look f...

...developer to create a web-based application. The primary focus of this project will be around to display data from an api call , so prior experience with similar projects would be a huge plus. Key Responsibilities: - Develop a web application using C# with a strong emphasis on data reporting and analytics. - Integrate necessary libraries and tools to ensure seamless functionality. - Ensure the application is secure, scalable and user-friendly. Ideal Experience: - Proficiency in C# is a must. - Proven experience developing web applications, with a focus on data reporting and analytics. - Strong understanding of data visualization techniques. - Previous experience with relevant tools and libraries would be a gr...

...corporate law, English and General Research who can conduct in-depth research for Legal companies in Turkey that can offer corporate law, specifically focusing on foreign Virtual Asset Service Provider (VASP) activity for Turkey. Your tasks will include: -Gathering information about legal companies in Turkey that are working with VASP companies ( both in Turkey and foreign companies) -Create a list of companies that offer such services and contact them for clarifications , check of their expertise and costs of the services in legal area ( legal research, legal opinion, outline the necessary steps for VASP in order to be able to offer services from another country) -Understanding corporate law in Turkey's context -Preparing digestible and comprehensive repo...

...apply to products with attribute "Bossu product type" set as: Refurbished Consoles, Sell Mobile Phones, Refurbished Video Game Controllers, Sell Consoles & Smartwatch 1) We will create configurable products for some of the products, but match simple products to it, we want certain attributes to show as selectable 2) Only simple products should continue to show in the catalog/category pages and not configurable products 3)Options will appear as swatch in product page 4) If there are simple products part of a configurable product with multiple colours, the colours should show in the category/catalog pages 5) Simple products associated with configurable product SHOULD show individually I believe this way could w...

I'm seeking to create a textile website mainly to sell my products to retailers and fashion designers. This portal will cater primarily to the needs of these two target groups, making it easier for them to purchase and interact with the products. Key Features: - Product Catalog: The website should have a comprehensive and well-organized product catalog showcasing all the available textile products. - Online Ordering System: The website must include an efficient online ordering system to facilitate wholesale orders. - Lookbook: A unique feature for fashion designers, this lookbook allows them to view and draw inspiration from an array of designs. Ideal Candidate: A successful candidate would have prior experience in e-c...

...The purpose of the program is to allow users to manipulate and interact with various graphical elements of a plane. Key Requirements: -2d space program -button to create plane in the center with 4 vertices -two textboxes as array in x and y to duplicate the plane in x and y -import button to import video in mp4 /gif and assign it to the plane as matrial /texture - ability to zoom out and in and move in the scene with select all ability as box can be generated by lift click of mouse and drag -button to combine all planes together with having 4 vertices ( as new plane with same matrial) -text box to write a value that will expand the 2d space accordingly infinitly without limit -import/Export button in obj -ability ...

...need to represent instruments: Guitar, Drums, Vocals, Piano - Usage: The icons will be used across different platforms, so they should be versatile and scalable to fit different sizes without losing quality. Ideal Skills and Experience: - Proficiency in flat design, with a portfolio demonstrating previous work in a similar style - Understanding of iconography and its effective usage across different mediums - Ability to create visually appealing, easily recognizable, and versatile designs - Experience in designing for web, print, and social media, ensuring compatibility with various formats If you have a keen eye for visual design and can create engaging, high-quality icons, I'd love to hear from you. I'll attach our current icons as a bas...

I'm looking for a FullStack .Net developer with expertise in the following areas: - C# - SQL Server - Javascript - Ajax - CSS - HTML - Bootstrap - Angula...looking for a FullStack .Net developer with expertise in the following areas: - C# - SQL Server - Javascript - Ajax - CSS - HTML - Bootstrap - Angular The purpose of this project is to build a robust web application, primarily focusing on data input and retrieval functionality. Skills And Experience: - Extensive knowledge of SQL Server and C# - Proficiency in Javascript, Ajax, CSS, HTML - Experience with Bootstrap and Angular. - Proven track record in web application development involving data input and retrieval. An ideal candidate should be a problem solver with a keen eye for detai...

...need to represent instruments: Guitar, Drums, Vocals, Piano - Usage: The icons will be used across different platforms, so they should be versatile and scalable to fit different sizes without losing quality. Ideal Skills and Experience: - Proficiency in flat design, with a portfolio demonstrating previous work in a similar style - Understanding of iconography and its effective usage across different mediums - Ability to create visually appealing, easily recognizable, and versatile designs - Experience in designing for web, print, and social media, ensuring compatibility with various formats If you have a keen eye for visual design and can create engaging, high-quality icons, I'd love to hear from you. I'll attach our current icons as a bas...

Looking for an adept developer to create a Telegram bot that simplifies the manual posting of trading signals. Key functionality to include a highly user-friendly interface that eases the manual trading signals posting process. Platform and Integration Requirements: The bot should be developed to function within the Telegram platform. It should integrate seamlessly with Telegram's API for real-time communication with subscribers. Ensure compatibility with various devices and operating systems commonly used by Telegram users. 1. Signal Posting: Provide a user-friendly interface for the manual posting of trading signals by administrators. Allow administrators to include essential information such as asset name, entry price, stop-loss, take-pro...

I'm looking for an experienced real estate marketer or salesperson who is adept at selling gated community farm land plots. The property features: - Quarter and half acre plots - Amenities such as a swimm...half acre plots - Amenities such as a swimming pool, farming facilities, gazebo, garden kitchen, and camp fire spot. Potential bidders must have a proven track record selling similar properties and provide me with a detailed strategy on how they intend to sell these plots. Prior exposure to high-end property markets will be an added advantage. Let's make a successful sale together. This property is spread around 15 acres with 22 available plots out of 43 plots. Its one hour drive from Bangalore international airport. This property is bang a...

I'm looking for skilled Android developers proficient in Java and XML, experienced in integrating Firebase for my upcoming project. Key Features: - User Authentication: Users should be able to sign up and log in securely - Push Notifications: Incorporate a notification system to enhance user engagement - Database Integration: Create a smooth flow of data within the app - Admin and User Panels: Develop separate yet interconnected panels for admin and users Platform Compatibility: - The app should be developed for Android smartphones Priority: - App Performance: The most crucial aspect of the project is ensuring the app's performance is optimal, quick and responsive. Ideal candidates should have: - Strong experience in developing Android applications using...

Project Description: I am seeking a skilled React Native developer to create a mobile application capable of live streaming from the camera to YouTube. Additionally, the app should incorporate an SVG overlay embedded in the live stream. Requirements: - Experience with React Native development. - Familiarity with integrating live streaming functionality, particularly with YouTube API. - Ability to overlay SVG graphics onto live camera feed. - Strong understanding of mobile app design principles. Additional Details: If you have previously developed a similar project or have experience with integrating live streaming and SVG overlays in React Native, it would be ideal. There are sample apps available on platforms like GitHub that could...

I am looking for a skilled WordPress developer with e-commerce expertise to create a website for me. The main purpose of the website is to sell physical products. Your primary task will be to create a responsive, user-friendly, and visually appealing e-commerce site. Key Requirements: - Strong experience with WordPress and e-commerce plugins - Ability to integrate necessary e-commerce functionalities - Understanding of payment gateways and ideally experience with PayPal, Stripe, and Square - Previous experience with e-commerce websites, particularly those selling physical products, will be a huge plus The ideal candidate will be able to deliver a website that is secure, easy to navigate, and designed to convert visitors in...

We want to create a color trading game which also has deposit withdrawal feature. We have a demo available. You can create a website by looking at the demo and designing it in the same way. What is the message?

I am seeking a seasoned web developer with experience in implementing interactive content. Particularly, creating an engaging drag-and-drop feature for my website as an educative tool about kidney stones. Key functional requirements include: - Ability to drag and drop stones to different positions. - Ability to drag-and-drop stones of different sizes.(Optional) When a stone is dropped into a position, the stone's size should be displayed. Knowledge in the medical or health domain would be beneficial though not essential. The goal of this project is to educate users on kidney stone placement in an interactive manner. From My Side: "We've developed a static educational platform featuring kidney images to faci...

I've created a highly effective trading indicator on TradingView. The next step is to sell it with the help of trading influencers through a dedicated website. Note: This is to be done on a relatively tight budget. Key Requirements: - **Website Development:** - Create a professional and corporate website to showcase the indicator. - The design should be minimalist, elegant, and in line with the trading industry. - **E-commerce Functionality:** - Enable the website to facilitate indicator sales. For now, it only needs to be able to accept crypto payments. After the payment, I should receive a message in my private email, and I'll be unlocking the indicator manually, at first. - *...

...capabilities; comprised of industry veterans, Confirmis's business model is designed to overcome perennial lack of data (let alone quality data) to support effective decision-making, particularly in developing economies. As a Site Verifier, you will be responsible for verifying a company’s existence through visual data by conducting a site visit to ensure that we provide reliable and accurate information to our client. JOB DESCRIPTION: • Conduct basic verification with the subject company’s authorized representative, such as line of business, key executives' names, etc. • Take pictures of the subject company and its vicinity, as per Confirmis’ standard operating guidelines. • Provide observation about the company ...

I need a skilled WordPress developer to help create a website for my business. It will serve as a company portfolio, showcasing our services, projects, and contact information. Key Requirements: - Previous Work: Please provide me with examples of your previous WordPress projects. I want to see your style and understand if it aligns with my vision for the website. 1) Auction features should be like this site: Auction page similar like this website: Similar web site is as like this......

...capabilities; comprised of industry veterans, Confirmis business model is designed to overcome perennial lack of data (let alone quality data) to support effective decision making, particularly in developing economies. As a Site Verifier, you will be responsible for verifying a company’s existence through visual data by conducting a site visit to ensure that we provide reliable and accurate information to our client. JOB DESCRIPTION: • Conduct basic verification with the subject company’s authorized representative, such as line of business, key executives' name, etc. • Take pictures of the subject company and its vicinity, as per Confirmis’ standard operating guidelines. • Provide observation about the company to...

Hi Any cs -cart expert can contact me. I want to change my website ui on UNitheme cs-cart Good knowledgeble developer of cs cart can apply. Dveloper also must know how to make cs -cart addon . I will provide you with whatever content you need - images, text, etc. I want your deliverables to be my website completely ready to launch as a marketplace. Regards Vaibhu

...capabilities; comprised of industry veterans, Confirmis's business model is designed to overcome perennial lack of data (let alone quality data) to support effective decision-making, particularly in developing economies. As a Site Verifier, you will be responsible for verifying a company’s existence through visual data by conducting a site visit to ensure that we provide reliable and accurate information to our client. JOB DESCRIPTION: • Conduct basic verification with the subject company’s authorized representative, such as line of business, key executives' names, etc. • Take pictures of the subject company and its vicinity, as per Confirmis’ standard operating guidelines. • Provide observation about the company ...

I am in need of a skilled React Native developer to confirm the deployment. The app is already developed and it was working well. But once I ran the project locally, a client said the app is linked to local IP. You don't need to change code, just update some settings. It is a simple task, but it can be long term deal. Important note: I need you to check everything remote only this time. In the future, I will add you gitlab and provide the full source code.

I'm seeking an advanced C++ deve...developer with prior experience in creating desktop applications on Windows. Familiarity with TWAIN integration is crucial. Key Requirements: - Advanced C++ Knowledge: The ideal candidate should be comfortable and well-versed in advanced C++ concepts. - Windows Desktop Application Development: Previous experience in developing desktop applications on Windows is a must. - TWAIN Integration: You should have prior experience integrating TWAIN for image scanning functionalities. This is a challenging project that requires a high level of expertise in C++ and experience in developing Windows desktop applications, particularly with TWAIN integration. If you're confident in your skills and have a solid track record in similar pr...

...designed to overcome perennial lack of data (let alone quality data) to support effective decision making, particularly in developing economies. As a Site Verifier, you will be involved in our pre-employment screening by conducting a visit to our candidates’ residential address with the candidate’s consent letter. JOB DESCRIPTIONS: • Conduct the site visit to the candidate’s residential address • Conduct the basic verification of the candidate’s residence & reputation with the neighbors, head of the local community, police stations, building operators, etc. • Take pictures of the candidate’s residential address, as per Confirmis’ standard operating guidelines. • Provide observation about the addres...

I'm searching for an expert to configure a Remote Desktop Setup on a Windows 10 machine with a static IP. The tasks involved would include: - Setting up the remote desktop functionalities according to the fundamental security provisions. - Enabling seamless remote access without compromising on system performance. Ideal Skills: - Excellent understanding of Windows 10 functionalities. - Previous experience in establishing remote desktop setups. - Proficiency in network security. - Ability to explain instructions clearly for occasional future troubleshooting. It's crucial that your work ensures dependable access to the system remotely. If you've successfully undertaken similar projects, please place your bid. Looking for a punctual...

...industry veterans, Confirmis business model is designed to overcome perennial lack of data (let alone quality data) to support effective decision-making, particularly in developing economies. As a Site Verifier, you will be involved in our pre-employment screening by conducting a visit to our candidates’ former employer address with the candidate’s consent letter. JOB DESCRIPTIONS: • Conduct the site visit to the candidate’s former employer • Conduct the basic verification about the candidate in the candidate's former employer; to verify whether the candidate was indeed an employee at the specified company. • Take pictures of the candidate’s former employer as per Confirmis’ standard operating guideli...

I require skilled and experienced professionals for IT infrastructure development services for my website. The focus is on establishing a robust network setup and server configuration, including SaaS and hardware solutions. I am aiming for the completion of these tasks within a short timeline of 1-2 weeks. Therefore, efficiency, promptness, and a high level of competency are essential. Ideal Skills and Experience: - Expertise in network setup - Server configuration skills - Knowledge and experience with SaaS - Top-level understanding of hardware solutions - Proven track record in fast-tracked project execution.

I am in need of a skilled graphic designer to assist me on a daily basis with various design tasks. We sell custom online posters, and we have all of our designs in templates ready for print. I need a graphic designer to change some information inside the template. Is a easy customization, change name, numbers, put a photo into the poster and save the file in a pdf file. See the example in the attached file. Our target price is 0,50$-1$ per card designed. We are growing everyday our business.

Need help with online job applications, specifically for a large volume of applications (more than 10). I'm looking for someone who can assist in tailoring my applications to each specific job. Key Requirements: - Experience with online job application processes and forms - Ability to customize applications for different job requirements - Attention to detail in completing online forms Experience in HR or recruiting may be beneficial. A good understanding of various industries and the job market would also be advantageous.

I need an experienced sales professional to help me sell subscriptions to an integrated platform built for fitness owners. This platform facilitates customer management, booking, and billing/invoicing. Professionals with a revenue-sharing mindset are ideal for this role as I am looking for someone to share profits based on subscriptions land. Skills & Experience: - Proven sales track record - Understanding of the fitness and sports industry - Experience in selling subscription-based products/services - Cold calling proficiency - Capable in email marketing - Knowledgeable in social media advertising Your task will include: - Selling all the platform's features (customer management, booking system, billing, and invoicing) - Implem...

...developer to build a Laravel application. Requirement: 1. The application has 2 user roles - Super admin and user SuperAdmin: A) Users - Edit/Add/Delete B) Packages - Edit/Add/Delete (There will be a limit of capturing the data) - Assign package to user (comes under edit/add user) C) Licencing - Add user generate licence key - Delete user delete licence key D) Settings - Enable/disable autoresponder-like platforms User: All the information will be captured by webhook and each user has his different webhook A) Dashboard - Show a list of recently captured user details B) Connected account lists - Dashboard - channel-wise counts: On channel click, show users under that channel - All users - list all captured details with t...

...looking for a talented app developer to build a mobile application for a new online electronics store. This application will serve as a platform for users to purchase electronics from the comfort of their homes. Key Features: - The application should be developed for both iOS and Android platforms to ensure accessibility for a wide range of users. - User interaction with the app will be primarily through a search bar for specific products and a map showing nearby electronic stores. Ideal Skills: - Proficiency in developing mobile applications for both iOS and Android platforms. - Experience in creating e-commerce applications, particularly those focused on user-friendly online purchases. - Understanding of geolocation services ...

I'm l...Intelligence (AI) capabilities. The primary goal of this app is to interpret images through AI. Key requirements: - The app should be developed for both iOS and Android platforms - The AI should perform image interpretation - The app should receive from an external camera source using Bluetooth - The app should narrate the image interpretation performed by AI through a Bluetooth speaker - The app should use standalone and localized APIs that could be updated as desired Ideal skills for the job: - Proficiency in mobile app development for both iOS and Android - Experience in integrating AI technologies into mobile apps - Specific experience with image interpretation functionalities in AI - Strong communication and collaboration skills to understand an...

I'm looking for a competent developer to create a robust web-based food delivery app. Key functionalities should include: - Real-time tracking of deliveries: I want customers to keep track of their order in real time. - Payment integration: The app should be integrated with PayPal and Credit Card processors like Stripe to facilitate ease of payment. - Reviews and ratings: Incorporate a feature for customers to rate and review our services. Do you have a demonstrated history of creating similar apps? You should have a comprehensive knowledge of web development and experience with payment gateways. Having worked with food delivery applications in the past would be a major plus. Let us deliver convenience to food lovers tog...

...discover truths more real than reality. This project explores pushing back on this tyranny of the mundane through the eyes of Surrealism. Your animation will reinterpret what we see daily and raise questions about how we perceive our world and create something surreal. surreal adjective having the qualities of surrealism; bizarre. surrealism noun a 20th-century avant-garde movement in art and literature which sought to release the creative potential of the unconscious mind, for example by the irrational juxtaposition of images. GUIDELINES: Choose a daily action or normal scenario and create a subversive context that challenges our traditional notions of that action or scenario. For example, if you choose the action "to eat", create an animation that d...

...for a talented and creative web developer who can create a colorful and modern Graphical User Interface (GUI) for my emotion-based music recommendation system. Key Requirements: - The GUI should be developed for a web platform, making it accessible and user-friendly for a wide audience. - The design should be both colorful and modern, enhancing user engagement. Ideal Skills and Experience: - Proficiency in web development, particularly GUI design. - Strong understanding of user experience and interface design principles. - Previous experience with music recommendation systems would be a plus. - A portfolio showcasing your past work on colorful, modern web interfaces is highly desirable. Please include samples of your similar work in y...

I'm in need of a...need of an experienced Angular developer who can create a small application for me using JSON. This application should be capable of displaying textual and image data, accepting user input, and performing calculations. Ideal Skills: - Proficiency in Angular - Experience with JSON - Ability to work with and display textual and image data - Knowledge of creating interactive interfaces - Strong at handling user input and processing it - Capable of implementing calculations within Angular applications The project's main objectives are to build a simple yet interactive web application. Interested freelancers should have a good understanding of working with different data types in Angular and be able to create...

I'm looking for a skilled professional in k6 Browser Performance testing. I have k6 browser performance automation anybody has already developed project with reports like (Grapahana etc) just show to me. that would helpful for me to approve you. * We have to do performance testing only for browser and not for API. Key requirements: - Experience in k6 browser automation - Proficiency in JavaScript - Proven track record in identifying and resolving performance bottlenecks - Familiarity with reporting tools like Grafana Your work will primarily involve: - Assessing the existing project (if applicable) and suggesting modifications. - Enhancing the project with the functionality to identify and fix performance bottlenecks. - Setting up suitab...

...for my IT business. It will be an informational platform primarily designed to provide details about our services, company, and potential career opportunities. Key Features: - The website should feature an 'About Us' section, presenting a concise but engaging overview of our business and its history. - A detailed 'Services Offered' page, outlining the range of IT services we provide. - A 'Contact Us' section, including an interactive contact form and details for reaching us by phone or email. - A 'Careers' page, where visitors can learn about job opportunities at our company. Design: - It should be designed to be professional and sleek - a design that promotes trustworthiness and reliability. Ideal Fre...

I'm looking for a seasoned website developer to help me create a dynamic, modern, and minimalist website for my tour company in New Zealand. We sell tours in NZ and Australia, and around the pacific and we need the website to beautifully represent that. The website should be user-friendly, functional and, most importantly, scalable as my business expands. Essential Features: - Calendar-based booking system: This system will allow customers to book tours based on availability shown on the website's calendar. - Multiple payment gateways: Customers should have the flexibility to choose the payment method that suits them best. - Email notifications: Email alerts should be sent out for things like tour booking confirmation, changes...

I'm seeking an experienced app developer to create a spiritual temperament survey that will be integrated into an existing app. The survey is currently running on JotForm, but I would like to upgrade it with new features and a specifically designed interface for users to tap the selections on a touchscreen. Key Project Aspects: - The survey consists of 12 questions with a Likert scale. - It should calculate the responses. - The main feature is to generate feedback based on the responses of the users. - The app should be developed for both Android and iOS platforms. Ideal Candidate: - Proficient in app development for both Android and iOS. - Experience in developing survey and feedback systems within apps. -...