You choose the sources you want from an app on your iPhone or Android smartphone, and the data is beamed wirelessly to the thermal printer (no ink refills!) from the included Berg Cloud Bridge, which plugs into your router...BERG's CEO, Matt Webb, sees it as the perfect medium. He says that "paper is like a screen that never turns off. You can stick to the fridge or tuck it in your wallet. You can scribble on it or tear it and give it to a friend."