Top 10 Sectors by Share of U.S. Internet Time RANK Category Share of Time June 2010 Share of Time June 2009 % Change in Share of Time 1 Social Networks 22.7% 15.8% 43% 2 Online Games 10.2% 9.3% 10% 3 E-mail 8.3% 11.5% -28% 4 Portals 4.4% 5.5% -19% 5 Instant Messaging 4.0% 4.7% -15% […]