Kindle
Today on xkcd, a way-funny comic for trufans of the amazing video-game Katamari Damacy. In KD, you roll a giant ball around a landscape, trying to kock over and pick up the objects that litter it -- as you pick up more objects, you get bigger, which increases the objects you can grab, all the way up to mountains, clouds and worlds. KD hacks your brain the way that Tetris does -- after a lot of Tetris, the whole world seems to be composed of polygons that want to be slid together, and after a lot of KD, the world seems made of objects that you should knock down and roll up.
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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.