Socket.IO simplifies real-time, bi-directional communication, ideal for apps like chat platforms, collaborative tools, and live trackers. Built on WebSockets, it offers cross-browser support, automatic reconnection, and event-based architecture. With both server and client-side libraries, setup is straightforward. A basic chat app example demonstrates sending and receiving messages across clients in real time. Features like room management and private messaging enhance customization. By adding user authentication, timestamps, or message history, the app becomes more robust. Socket.IO's simplicity and versatility empower developers to create scalable real-time systems efficiently.
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