The rapid growth of blogs has attracted a lot of attention. In the face of the massive daily increase in blog posts, many service providers want to develop an effective platform to filter these articles and deliver the selected ones to readers. Among these services, tagRiver can be considered a pioneer, and after being online for a while, Zhuaxia added bookmarking and recommendation functions to achieve this feature. Our site's sponsor, 365BlogLink, is also striving to reach this goal through manual voting, while some people are directly using the Digg model for this attempt, like Donews Dig. Even more people are continuously trying other methods to achieve this goal, and the following two services are examples of such efforts: