Google Glass Explorer Edition was unveiled on Google I/O. Pre-order is now available for developers in United States, with the price of $1500 and it will be delivered to sometime early 2013. Google Glass the augmented reality head-mounted display (HMD), capable of display information on the right eyepiece and mounted camera for capturing videos and photos. Check out videos below:

A must watch youtube video done by Project Glass team: “Project Glass: Live Demo At Google I/O”. With Google co-founder Sergey Brin on the stage wearing Google Glass. Connected to a team of skydivers wearing similar pieces and stream live video over Google Hangout.