To view the streaming video, you’ll need Safari 4 or later on Mac OS X version 10.6 or later. On iOS devices, you’ll need to have iOS 4.2 or later installed. Windows users will need QuickTime 7.
Second- and third-generation Apple TV users will need to have version 5.0.2 of that software installed.
As always, AppAdvice will be there live and will be covering the keynote address as well.