Some impressive figures today at a google admob event in London.

Android apps have been downloaded 4.5 Billion times. The rate at which is amazing. Consider that it took two years for the 1 billion mark to be reached and only two months for the final billion downloads.

There are now 550,000 Android phones being activated a day.

The amount of time that people spend browsing on their mobile phone is worth £738 million of potential advertising money. Yet only £83 million is being spent on advertising on mobile devices. This presents a massive opportunity for both publishers and advertisers.