OS X: Low power alert with USB Devices, USB Keyboard, and USB SuperDrive An alert may appear when USB devices are connected to your Mac’s keyboard and an Apple USB SuperDrive is attached to the computer: “A USB device needs more power.”
iPhoto 9.5: Syncing albums with Facebook Learn about the information synced to Facebook albums in iPhoto 9.5.
OS X: About the Accessibility Options shortcut Learn about the Accessibility Options shortcut in OS X.