- Social Networking: Partying Like It’s 1999
- Social Networks: the glue for next-generation internet applications
Friendster, Orkut, MySpace, Huminity (+ instant messaging), Flickr (+ photos album), sms.ac (+ mobile messaging), many many more.
- Studying Online Social Network (from the Journal of Computer-Mediated Communication)
- Wikipedia: Social network
- The Friend of a Friend (FOAF) Project (Wikipedia entry) – RDF-based description, describing people, the links between them and the things they create and do.