A Mac OS X presentation will be staged at Macworld Expo next week, show organizer IDG World Expo has announced.

Avie Tevanian, Apple's senior vice president of software engineering, and Phil Schiller, vice president of worldwide product marketing, will introduce the Power of X presentation at Macworld Expo on Tuesday, January 8 from 12 to 1pm.

Charlie Greco, president and CEO of IDG World Expo said: "Judging from the excitement about the keynote, we're sure the feature presentation will also be a must-attend event for Mac enthusiasts."