Ground Truth, a mobile media measurement firm, conducted a census of mobile subscribers for the week ending April 4, 2010, and found that social network activity accounts for 60% of the time spent on the mobile Internet. The next most-popular activity — Web portals — accounts for just 13.7% of total mobile Internet use, and mobile messaging claimed just 7.4% of total time spent.
Ground Truth also found that people who use mobile social networks tend to be more engaged with those networks than users of PC-based networks.
Read more about the study at PR Newswire.