The secret history of the walkman revealed: Paul Johnson of Jacksonville, Fla invented this one-tube radio (powered by two dry cells) in 1957, to keep him entertained while he did yard-work. In terms of design aesthetics, I'm willing to say that this is the coolest, mad-sceintist-looking-est headset ever to grace the head of a human.
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.