Share a File over a WebRTC Data Channel with Twilio Video

Here's a neutral, objective, and interesting summary of the provided text: When building a video application with JavaScript and Twilio Video, developers can share files over WebRTC data channels. To achieve this, they need to create an Express server using Node.js and install necessary dependencies such as Express, Twilio Node Helper Library, dotenv, and node-dev. The server sets up environment variables for Twilio credentials, creates a new Express application, and listens on port 5000. A client-side application is built with HTML, CSS, and JavaScript, which includes a layout for the video call, file sharing functionality, and event listeners for participant connections and disconnections. Using ngrok to create a temporary public URL, developers can test their application with friends or colleagues, enabling them to send files via data tracks and download them on another device. The final code is available on GitHub for further exploration and development.