If you've ever envied the augmented reality vision featured in films like Terminator and Mission Impossible this might be just your thing.
Imagine seeing all the relevant information you need, not by looking at a device, but looking at the world around you. This is Google's vision of how augmented reality might work in a few years' time. The internet giant officially revealed what it's calling Project Glass, a see-through heads-up display that offers information triggered by the wearer's location or voice.
Dan Simmons from the BBC's "Click" program joined Tim Wilcox on The Hub to look at some of the key features and how the glasses actually may work.