Here is a preview of CES 2012 as it kicks off this week in Las Vegas. We're expecting to hear from all the major vendors, including Microsoft, whose appearance will be its last. Will we see Bill Gates speak at the keynote? Also: CES is calling 2012 the Year of the Interface and explains why.

For more blogs, stories, photos, and video from the nation's largest consumer electronics show, check out PCWorld's complete coverage of CES 2012.

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