Apple has released EFI Firmware Update 1.9 for mid-2010 15-inch and 17-inch MacBook Pros. The update addresses a rare issue where the Mac could freeze during startup or stall during use. The update also improves compatibility with external displays. Your computer must be connected to a power source to install the firmware update, and Apple warns users not to turn off the MacBook Pro while the update installs. (free update, 2.16 MB)
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Encrypted Screen Sharing in Snow Leopard
In Snow Leopard, screen sharing in iChat can now be encrypted if both parties sharing a screen have MobileMe accounts and have enabled encryption (iChat > Preferences > Accounts > Security).