Mars competition

http://www.newscientist.com/marscompetition
In 140 characters, tell us what you think the first person to set foot on Mars should say to mark this historic event, for your chance to win this piece of Mars rock.

If men are from mars and women are from venus, what the hell are we doing here?

FML, we landed on the wrong planet.

Little green men, call us.

The war of the worlds has ended. We win.

Wazaaa

Did you know mars is a chocolat where we live? 

We just came for the robots.