Mars Rover "checks in" on Four Square!
This is cool. I love that NASA has a sense of humour.
The Curiosity Rover checked in to Mars on Foursquare yesterday tweeting,
"One check-in closer to being Mayor of Mars! (@ Gale Crater)"
If you want to follow the lil guy it's @marscuriosity
He's already got 1.2 million followers and tweets some really cool stuff.