New Travel Game

On BBC today is an article about a new form of tag using GPS and a bowler hat. What you get is an online video game, where people track the new hat wearer using GPS on their phones, and once they get the hat, upload a pic of themselves wearing the hat.
http://news.bbc.co.uk/2/hi/technology/7943382.stm

Fun! Now just think of how you could use that when traveling as a way to meet new people......