http://weblogs.hitwise.com/robin-goad/2010/06/social_netw...

Social networks now receive more UK Internet visits than search engines. During May, social networks accounted for 11.88% of UK Internet visits and search engines accounted for 11.33%. May was the first ever month that social networks have been more popular than search engines in the UK.

TweetMeme Community Contributor posted about a year ago