Just in time for CES, eh? We knew it was happening at some point in January, and Motorola has just announced that it'll formally be split into two companies as of January 4th, 2011. Actually, that's not technically accurate: Motorola Mobility -- the phone guys -- will be spun off into their own entity, while the parent company will change its name from Motorola to Motorola Solutions, responsible for the company's other businesses including infrastructure and set-top boxes. Shareholders of the current company as of December 21st will receive one share of Mobility for every eight shares they've got in their possession right now, while the rema