social media watch
Posted by Shirley Brady on December 2, 2011 12:45 PM

New York City mayor Michael Bloomberg tweeted that he's "making an exciting announcement" with Facebook COO Sheryl Sandberg today. (We're crossing our fingers for citywide Facebook traffic signs like the one below.) Mashable, meanwhile, guesses that it's do with a NYC hiring spree.
Update: Mashable got the scoop, as Facebook is indeed going on a hiring spree by expanding its New York operations to create an engineering office in the city next year, and making NYC its third biggest tech hub after Palo Alto and Seattle.

[Image via Twitter/kierondonoghue]