Android is fastest growing OS with 47% of all impressions, research finds

Android was the fastest growing OS in 2011, research by Millennial Media has found.

The system jumped from 30% on 2010 to 47% in 2011- an increase of 57%. In the same period, Apple’s iOS fell from 41% to 33%.

However, the research showed that the iPhone is still rated number one in the Millennial Media mobile mix report, with Apple also rated as the top manufacturer.