Russians are the most engaged social networkers in the world, spending an average of 6.6 hours in social sites a month, based on comScore’s survey of online social networking in 40 countries. “Of the 1.1 billion people age 15 and older worldwide who accessed the Internet from a home or work location in May 2009, 734.2 million visited at least one social networking site during the month, representing a penetration of 65% of the worldwide Internet audience,” comScore’s press release says. The rest of the Top 10 countries in May were Brazil (6.3 hrs), Canada (5.6), Puerto Rico (5.3), Spain (5.3), Finland (4.7), UK (4.6), Germany (4.5), US (4.2), and Colombia (4.1). Russia’s Top 3 social network sites were Vkontakte.ru (18.9 million people or 45% of Russia’s Net users), Odnoklassniki.ru (24%), and Mail.Ru-My World (20%). Facebook (2%) and MySpace Sites (1%) were 7th and 9th place, respectively.