Look inside Google's toy shop

If you're hoping for even more intimate contact with Google than Google Glass can offer, look no further than the company's smart contact lenses.

The device could actually be great news for diabetes sufferers, as its designed to measure glucose levels in tears via a tiny wireless chip. The hope is that it will allow patients to monitor their blood sugar levels in real time, and without having to prick their fingers and test drops of their blood throughout the day.