Explore the exciting world of WebRTC in this 21-minute conference talk from Reject.JS 2014 in Berlin. Dive into the versatility of WebRTC APIs for building real-time, peer-to-peer applications directly in the browser. Discover practical applications like Hibuddy for 1:1 video calls, Bananaphone for group audio calls, and Waggle.js for P2P video streaming. Learn about the unique constraints and solutions for real-time audio, latency, P2P data streaming, and state synchronization. Gain insights into WebRTC's potential, common pitfalls, and motivation to further explore this innovative technology.