Introduction

Google Glass is a wearable computer developed by Google. Although Glass is based on Android, it is fundamentally different from existing mobile platforms. The best line to describe Glass is “There when you need it. Out of the way when you don’t.” Glass is designed to complement a smartwatch, smartphone, tablet, or computer.

In April 2013, the Google Glass Explorer Edition was made available, for the first time, to Google I/O 2013 developers. There were four Glass-related sessions at Google I/O 2013 held in May 2013:

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