How many people use mobile devices besides voice activity?

Nowadays, mobile devices don't just mean phones, people have other things to do with their mobile devices.

58% of Americans used their phone for a non-voice activity62% of all Americans are part of a wireless, mobile population that participates in digital activities away from home or work According to Pew Internet, 58% of adult Americans have used a cell phone or personal digital assistant (PDA) to do at least one of ten mobile non-voice data activities, such as texting, emailing, taking a picture, looking for maps or directions, or recording video. 41% of adult Americans have logged onto the internet on the go, that is, away from home or work either with a wireless laptop connection or a handheld device.