This document provides an overview of Google Glass, including its history, features, applications, advantages, and disadvantages. Google Glass is an optical head-mounted display that functions similarly to a smartphone and is controlled through voice commands. It was announced in 2012 and allows users to take photos, receive notifications, and access information through a small prism display. Potential applications include healthcare, journalism, and military use, but concerns exist around privacy and the device's fragility. The document concludes that Google Glass has significant potential to become widely adopted in the future.