Social networking had the highest reach among US users, while Europeans text the most.

A cross-market analysis of mobile activities in Japan, the US and Europe revealed significant differences among consumers by geography.

Mobile users in Japan were the "most connected" of the three markets, with more than 75 percent using connected media (browsed, accessed applications or downloaded content) in June, compared to 43.7 percent in the US and 38.5 percent in Europe.

Japanese mobile users also displayed the strongest usage of both applications and browsers with 59.3 percent of the entire mobile population accessing their browsers in June and 42.3 percent accessing applications.