Sure, Google Glass acts mostly as a wearable display screen, but it also works as a video and audio recorder. Harvard Law professor Jonathan Zittrain explains Google's privacy problem when it comes to the high-tech spectacles.

Chinese hackers infiltrated The New York Times for months, and the technique they used was something not so advanced -- email. Google’s “Project Glass” promises to put the functionality of a smart phone on your face. But is that what people want? And, the first down line you see on TV football games could be coming to a real-world Super Bowl, but not yet.