Web2.0 was indeed very popular in 2006. With the continuous development of Internet broadband, popularization, personalization, and mobilization, new applications have emerged endlessly. RSS, SNS, Tag, Blog, P2P... These concepts, which were once only appeared in small circles of professionals, have now become applications for many Internet users. And the domestic Internet is also flourishing: the number of Internet users has reached 137 million, exceeding one-tenth of the total population; the total size of the Internet economy is close to 500 billion yuan, accounting for 5% of China's total economy; and the number of websites is countless. All these seem to be evidence that domestic Web2.0 websites are attracting more and more venture capital attention.