I built something VERY similar (but not as slick) in 2009. It was a vocab game with scrabble like point scoring you played with friends via Twitter. It basical

I built something VERY similar (but not as slick) in 2009. It was a vocab game with scrabble like point scoring you played with friends via Twitter. It basically just aggregated your twitter messages, and assigned points for uses of unused words within a "game". I believe it's still "live" but since been decommissioned. http://www.playtwabble.com http://www.playtwabble.com