Google Glass

Google glass is a wearable computer with  an optical head-mounted display ( wearable display that is able of reflecting images and making the person using it see through the image).

It was planned by google to be a huge buisness ubiquitus computer: a computer wearable computer that can be brought anywhere if warn by a person.

It is like a smartphone but it can be put on glasses and sunglasses.
http://en.wikipedia.org/wiki/Google_Glass