EA Sport's Grand Slam Tennis Quick Challenge

What it is: A Facebook game
Who created it: Wieden + Kennedy, Amsterdam
Why you won’t hate it: It's free, it's fun, and it boosts awareness of Electronic Arts' (ERTS) Grand Slam Tennis game for the Nintendo (7974.T) Wii. To date, 102,000 people have downloaded the Facebook application, which plays like a game of rock, scissors, paper. See it here.