You send text messages through it and they have a time limits.  After a certain amount of time the text is retracted and deleted from the users phone.

They say they picked the name BEFORE the Tiger fiaso.  Yeah right and pigs can fly!

GO TEAM USA! Oh and yes I am up bright and early this morning and ready for the game.  Of course since I awoke so early I most likely will be napping during the game now.  Thank god for dvr's.