Phoenix channels and presence unlock a new class of web applications which can support millions of connected users and effortlessly send data between them. Features that were previously too costly to support or too complex to implement are now at your fingertips.

Learn how to make use of these exciting new features by building a real-time application step-by-step. You'll use Phoenix channels and presence combined with rock-solid OTP techniques. Along the way, we'll cover OTP basics through advanced multi-node communication, showing you how to leverage the best features of the platform for your ambitious applications.