Last week, engineers sniffing around the programming code for Google Glass found hidden examples of ways that people might interact with the wearable computers without having to say a word. Among them, a user could nod to turn the glasses on or off. A single wink might tell the glasses to take a picture. But don’t expect these gestures to be necessary for long. Soon, we might interact with our smartphones and computers simply by using our minds. In a couple of years, we could be turning on the lights at home just by thinking about it, or sending an e-mail from our smartphone without even pulling the device from … Continue reading Nick Bilton