Sitting in Facebook lobby when Larry Summers walks in. He has to spell out his last name to the receptionist, haha.

Random celeb sighting: Stephen Hawking eating at Fix in the Bellagio.

Just saw stephen hawking on laguardia & 3rd. he's still in that wheelchair.

Here's a fun little story from the Las Vegas Sun this week, Stephen Hawking checking out Tao nightclub! Looks like he and his group had a "wonderful time." Have you ever had a celebrity sighting experience at a club?