Nielsen has released its March 2010 analysis of social network usage. The company found that Facebook and Twitter posted significant year-over-year gains in user activity–a 69% increase for Facebook and a 45% increase for Twitter–in the U.S.
Global traffic to social networking sites totaled 313,690 million visitors. The total minutes spent on social networks monthly saw a more than 100% increase over the same time last year, driving the average time per person spent on social networks to over six hours per month.