The annual Consumer Electronics Show opens this Thursday Jan. 7th in Las Vegas. Steve Ballmer, chief executive officer of Microsoft, and Robbie Bach, president of the Entertainment & Devices Division at Microsoft, will deliver the 2010 International CES pre-show keynote address at 6:30 p.m. PST on Wednesday, Jan. 6, at the Las Vegas Hilton, Hilton Center. The keynote address will also be webcast live and on demand at http://www.microsoft.com/ces.