Business
Two-finger secondary click, as Apple calls it, is ideal for users of Parallels Desktop virtualization software when using flavors of Windows and Apple's Boot Camp because it enables you to emulate a second (right) mouse button - essential in Windows.
The feature is built-into MacBooks (non-pro) and the 17-inch MacBook Pro but 15-inch MacBook Pro users have been left out in the cold, until yesterday.
Anyone else find it odd that Apple doesn't mention this highly-requested feature anywhere in the 10.4.7 update notes?