According to Hitwise, Facebook accounted for 8.93% of all US website visits while Google, which was the most-visited site in 2009, dropped to second this year with 7.19% of all visits. Three Yahoo sites placed in the top ten and together they accounted for 8.12% of all US website visits. Bing cracked the top ten for the first time, while MSN.com jumped from ninth in 2009 to sixth this year.
