In pictures: The 20 greatest milestones of Android...
Android Gingerbread debuts (December 6, 2010)
Android 2.3 Gingerbread adds native support for NFC (near field communications) and a number of other sensors including gyroscopes and barometers. Gingerbread would go on to be the most used mobile operating system in the world.
In pictures: The 20 greatest milestones of Android's first five years