Kindle
Here in Britain, closed-circuit cameras are everywhere: the average Londoner is said to be photographed some 300 times a day. Equally ubiquitous are the signs that demand that you take off your hoodie's hood or your motorcycle crash-helmet so that it won't interfere with the universal surveillance.
So imagine the reaction that these awesome, masked French hoodies will evince when they land on Britain's shore. All they lack is a cluster of hidden, high-intensity infra-red LEDs that can overwhelm the charge-coupled device arrays in some digital cameras.
Link
(Thanks, W1nt3rmut3!)
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.