Apple has published a QuickTime movie version of the Macworld Expo, San Francisco, Power of X presentation.

Available for viewing online, the 70-minute streaming movie stars Avie Tevanian, Apple's senior vice president (VP) of software engineering, and Phil Schiller, VP of worldwide product marketing.

The pair delivered the presentation at Macworld Expo to a packed hall of attendees. It's an in-depth look at the features of Mac OS X.