Web9 Fourth Review: Where is the Profit Model for Digg-style Websites?

From the article "How many Digg-style websites are there in China" collected by Wowo.com to Kuaizi's "Chinese-style Digg", it can be found that a considerable number of Digg-style websites have emerged in China, including Renren.com by Mr. Chen Yizhou, which also adopted Digg-style practices. It is likely that everyone is considering whether Digg is really a good organizational form.