What do Pussycat Dolls, Depeche Mode, Black Eyed Peas and Lily Allen have in common? That's right, they've all recorded a song in Simlish. You know, the native language used by characters in The Sims? (It was news to us, too.) Electronic Arts has announced a contest for which Sims players are encouraged to record their own Simlish "Smile" at ...