Internet 2008 Review: The Noise and Sedimentation of SNS

I once categorized the current SNS sites into four types: the comprehensive SNS represented by Xiaonei and Kaixin websites; the portal SNS represented by Sina Space and Yahoo Relation; the vertical SNS represented by Funshion and 56; and the telecommunication SNS represented by China Mobile and other three major operators.

Reference link: http://www.feedcool.cn/article/174/