Google Glass is developed by Google in the “Project Glass” research and development project. It is a wearable computer with an optical head-mounted display. A wearable computer is a very comfortable computing device which is small and light enough to be worn on one’s body. It is represents information in a Smartphone – like hands-free layout that can communicate with the Internet via natural language voice commands.
It is offers an augmented reality, experience by using visual, audio and location based inputs to improve relevant information. For example, upon entering an airport, a user could automatically receive flight status information. Users can also control the device manually through voice commands and a touchpad located on its frame.