Reviews social networking site aggregators (profile aggregators): Spokeo, Hypeit, Profilefly, ProfileLinker, and Profilactic. Commenters discuss portals: Netvibes, Pageflakes, iGoogle...and lifestreaming, social streaming, or streaming presence sites li
For social networks, the key representational issue is the development of network models whose properties reflect the social reality. Future network models must represent aspects of this reality in a social context, including individual agents’ beliefs