The Nod ~ One Ring to Control Them All...

Andy Boxall at DigitalTrends spots the Nod, a ring which turns your finger into a high-tech magic wand...

"Essentially a clever, wearable universal controller, which will interact with many mobile devices running Android or iOS, Windows or Mac computers, the Nest thermostat, TV, and even connected lightbulbs. To make things work, use gestures."