The document provides an analysis of RenRen, China's leading social networking site, as it prepares for its IPO. It notes that RenRen faces significant challenges as growth of social networking sites in China stalled in 2010 due to the rise of microblogging platforms. While competition is intense, the analysis believes RenRen will survive due to its profitable operations and ability to pivot quickly, but cautions that its valuation in the IPO may be inflated given risks in the competitive environment.