Global internet usage through mobile devices (not including tablets) was nearly 8.5% in January 2012, StatCounter reported, using stats aggregated from 3 million sites.
Almost half (49.7%) of U.S. mobile subscribers now own smartphones, as of February 2012, according to Nielsen.
Furthermore, Android leads the U.S. smartphone market with 48%, while iPhone follows with 32%, and Blackberry is third with slightly under 12%.
Mobile devices are estimated to account for 25% of all paid search ad clicks in Google‘s network by December 2012.
Click-through-rates on mobile phones are as much as 72% higher than on desktops.
In many developing nations, the majority of web users are mobile-only: highest are Egypt at 70% and India at 59%.
Even in developed nations, including the U.S. and UK at 25%, a large minority of web users are mobile-only.