The Most Favourite Site in 2008

And this is the 20 major social media sites that are based on the most comScore version: 

1. Blogger (222 million) 
2. Facebook (200 million) 
3. MySpace (126 million) 
4. WordPress (114 million) 
5. Windows Live spaces (87 million) 
6. Yahoo GeoCities (69 million) 
7. Flickr (64 million) 
8. hi5 (58 million) 
9. Orkut (46 million) 
10. Six Apart (46 million) 
11. Baidu Space (40 million) 
12. Friendster (31 million) 
13. 56.com (29 million) 
14. Webs.com (24 million) 
15. Bebo (24 million) 
16. Scribd (23 million) 
17. Lycos Tripod (23 million) 
18. Tagged (22 million) 
19. imeem (22 million) 
20. Netlog (21 million)