How about a pocket printer that glides along a piece of paper – of any length – leaving ink as tracks? Introducing the Zutu Pocket Printer. While it will print slower than a traditional printer, you could take it anywhere, printing something on the plane or even at Starbucks. It boasts a print speed of 1.2ppm in prototype form, connects to devices via Bluetooth (with Wi-Fi support), has a run time of one hour on a single charge and weighs just 300g. The first units are set to ship in September. Continue reading for more space-saving gadgets that geeks would love.