This document provides an overview of Google Glass. It begins with an introduction to Google Glass and its goal of producing an ubiquitous computer in the form of eyeglasses. It then covers the technical specifications, features, technologies used such as augmented reality and Android, how Google Glass works, its architecture and design principles. The document also discusses the benefits and advantages of Google Glass as well as disadvantages. It concludes by discussing the future scope of Google Glass and its potential to become more common than holding mobile phones.