Allows you to build a customised feed of made up of content your friends on other collaborative sites have shared, including news articles, photos, ...
The Twitter Grade measures the relative power of a Twitter user. It is calculated as a percentile score. A grade of 48 means that the user scores higher than 48 percent of the other user profiles that have been graded.
This graph illustrates the distribution of relationships in Twitter—specifically the number of people folks follow as well as how many people are following them.
Crowdstatus is made up of twitter crowds, each crowd contains people and each twitter person in the crowd has a status. This means that you can see what everyones current status is in a crowd.
Ping.fm is a simple service that cuts out the middle man when it comes to posting to your social services such as Facebook, Twitter, Jaiku, Tumblr and Pownce with more being added soon.
H. Kwak, C. Lee, H. Park, and S. Moon. Proceedings of the 19th International Conference on World Wide Web, page 591--600. New York, NY, USA, ACM, (2010)
H. Kwak, C. Lee, H. Park, and S. Moon. WWW '10: Proceedings of the 19th international conference on World wide web, page 591--600. New York, NY, USA, ACM, (2010)