Kindle
My friend Quinn described Songfight as "a Worth1000 for songs." The organizers post titles of notional songs, and then the participants in the site compete to write, perform and record the best possible song to fit the title, with the winner determined by popular vote.
Link
(Thanks, Quinn!)
Update: Tycho sez, "RemixFight is even cooler. Artists take the same WAV samples and make wildly different and innovative creations."
I write books. My latest is a YA science fiction novel called Homeland (it's the sequel to Little Brother). More books: Rapture of the Nerds (a novel, with Charlie Stross); With a Little Help (short stories); and The Great Big Beautiful Tomorrow (novella and nonfic). I speak all over the place and I tweet and tumble, too.