The Official Parallels Virtualization Blog has produced a number of excellent “I’m a Mac, I’m a PC” spoof ads. Titled Coexist with Parallels, the four ads show what good things can happen when Mac’s and PC’s live together - on a Mac of course!
Perian is a QuickTime component that provides many codecs that are not shipped with the standard QuickTime. Of note are support for DivX, FLV, and various flavors of MPEG including MPEG-2.
Stuart Eccles has a great Tutorial on developing a Facebook platform application with Ruby On Rails that will walk you through the paces of creating a Social Recipe application for Facebook. There is good introductory Rails information as well as very complete information on working with the Facebook Developer’s Platform.
O’Reilly’s ONLamp.com site has the first part in a new series documenting The Power of Google Gears. Part one outlines the database portion of the Google Gears API while future tutorials will show you how to use the WorkerPool and LocalServer API’s.