The main social networks of the five-country LatAm region, by number of users, according to an Analytics 2.0: Orkut - 12.9 mln (up 27% from 10.1 million in 2007); Sonico - 7.3 mln (Sonico launched during the second half of 2007); hi5 - 4.2 mln (up 72% from 2.2 mln in January 2007); MySpace - around 3 mln (13 mln users in all markets analyzed); Facebook - 2.2 mln (up 4,152% from the January 2007 count of 52,000).