The ad, created by advertising agency McCann Erickson, will provide viewers with a unique and compelling look at Master Chief and the world of 'Halo 3.' It is easily one of the most anticipated ads of the year. It underscores the innovative approach and driving influence the "Halo" franchise has commanded. The ad will also be available for download exclusively for Xbox 360 users via Xbox Live Marketplace.

In conjunction with the ad, Microsoft today unveiled further details and an official call to entry for the "Halo 3" beta program. Beginning Monday, Dec. 4, by visiting http://www.halo3.com, gamers in North America will be able to register for the opportunity to be one of the select members to join the unprecedented "Halo 3" public beta program, scheduled to kick off in spring 2007. Today's announcement confirms the first path of entry for gamers to participate in the beta program and be among the first to experience the most anticipated game of 2007.

The Xbox Live multiplayer public beta, which is a pre-release version of the multiplayer experience of "Halo 3," is scheduled for availability in spring 2007 exclusively on Xbox 360. This beta also represents an opportunity for gamers to participate in the development of "Halo 3." Through the resulting feedback, Bungie Studios will be able to further refine and hone the end result of "Halo 3."