Learn how to use AirPlay to stream videos, music, and photos wirelessly from your iPhone, iPad, iPod touch, or iTunes on your computer, to your HDTV and speakers via Apple TV (2nd and 3rd generation), or to your AirPlay speakers or receivers, including AirPort Express.
From http://rss.support.apple.com/iphone
When upgrading the SMC (System Management Controller) firmware on an Intel-based Mac, you experience issues if power was interrupted during the update process, or if the firmware update installation did not work for other reasons. Issues may occur when starting up, displaying video, going to sleep, or there may be fan noise issues.
From http://rss.support.apple.com/desktopcomputers
