RESEARCH BRIEF -- July 3 -- According to Nielsen, total minutes spent on social networking sites in the U.S has increased 83% YOY. Total minutes spent on Facebook increased nearly 700% YOY making it the No. 1 social network for the month. Myspace has been winning in online video with 120.8m video streams. Myspace visitors spent 384m minutes viewing video on the site, with an average of 38.8 minutes per viewer. In comparison, Facebook visitors spent only 113.5m minutes viewing video in April, with an average of 11.2 minutes per video viewer. FULL ARTICLE @ CENTER FOR MEDIA RESEARCH