Apple will broadcast its WWDC 2013 keynote address using HTTP Live Streaming, which is based on open standards.
Viewing requires Safari on iOS 4.2 or later on any iPhone, iPad, iPad mini or iPod touch; Safari 4 or later on Mac OS X 10.6 or later. Streaming via Apple TV requires a second or third generation Apple TV with software 5.0.2 or later. The live webcast will begin at 10 a.m. (Pacific) at www.apple.com.