Google Glass is a wearable computer with an optical head-mounted display . It was developed by Google with the mission of producing a mass-market everywhere computer.
People who wears this they can communicates with internet via natural language voice command
Google Glass became officially available to the general public on May 15, 2014, for a price of $1500.
With the help of Google glasses we can take videos, send text message, engages in Face time-like Google hangouts, makes phone calls Google search, you can use Google maps. Anything related to Google we can use in this.
Google Glass applications are free applications built by third-party developers. Glass also uses many existing Google applications, such as Google Now, Google Maps, Google+, and Gmail.
Many developers and companies have built applications for Glass, including news apps, facial recognition, exercise, photo manipulation, translation, and sharing to social networks, such as Facebook and Twitter.
Google offers a companion Android and iOS app called My Glass, which allows the user to configure and manage the device.
power:-Lithium Polymer battery (2.1)
Storage :- 16GB
5-megapixel camera, capable of 720p video recording
16GB storage (12 GB available)
Texas Instruments OMAP 4430 SoC 1.2Ghz Dual(ARMv7)
682MB RAM 
3 axis gyroscope 
3 axis accelerometer 
3 axis magnetometer (compass)
Ambient light sensing and proximity sensor
Bone conduction audio transducer