900 million

At the Google I/O keynote in San Francisco, Android and Chrome head Sundar Pichai has just revealed that Android has passed the milestone of 900 million activations, up from 400 million in 2012 and 100 million in 2011.

Pichai called the milestone "an extraordinary ecosystem achievement," but joked "there are 7 billion people in the world, so we have a long way to go, and we think we're just getting started." 

Follow our live coverage of the Google I/O keynote for the rest of the day's news!