Why flip open a laptop when your wall can do the computing? A design firm in Madrid has launched a project that aims to make any surface in your home an online interface, the Financial Times reports. Using motion-sensor technology, webcams, and projectors, it will turn walls and counters into screens where you can tweet, shop, organize, and so on. Fun for sure, but perhaps less exciting "when work colleagues try to videocall you in bed because you haven’t replied to their emails," notes the Times. Other neat tech stuff: