Americans now spend nearly one-quarter (22.7%) of all their online time on such activities as Facebook, Twitter and other social networks and such media. That is well ahead of such activities as gaming (10.2%) and email (8.3%). Videos and movies were the only other activity to witness strong growth in the year, Nielsen says.
Having noted that, the mobile sector has witnessed a real surge in email activity. It comprises more than 41% of mobile time. Spending time on portals ranked second.