This blog provides a comprehensive guide to WebRTC, an open-source technology that enables real-time communication and data exchange across different browsers and devices. It explains the concept of WebRTC, its protocols and APIs, and how it works, including signaling, peer connection, media stream, and data channel. The blog also covers the history of WebRTC, its present state, and its future prospects, highlighting its benefits and potential use cases in various industries such as telecom, gaming, machine learning, and more. Additionally, it introduces Video SDK, a tool that provides the software layer and server needed to power WebRTC-based applications, offering enterprise-grade insights, security, and reliability.