Major Nelson has word that Microsoft will broadacast its annual Consumer Electronics Show 2011 keynote in Las Vegas tonight.
It will be available on Microsoft's official Facebook page, starting at 9:30PM ET/6:30PM PT/2:30AM GMT. No word yet on any Xbox related stuff at this year's show, but rest assured their are some surprise announcement waiting to happen.
Last year, Microsoft showed off Kinect, Halo: Reach and some news on the Alan Wake DLC.