One of the more enhanced tools for social neworking is called a

Webster’s New Millennium™ Dictionary of English – Cite This Source
Main Entry: wiki
Part of Speech: noun
Definition: a collaborative Web site set up to allow user editing and adding of content
Etymology: 1995; The Wild, Wild, World of Wikis

Five Things About What it is and 5 Things About What it Isn’t.

Faculty Reference Link:

Professor Stewart Mader released wiki-based book, Using Wiki in Education, which is a compilation of case studies showing how teachers are using the wiki in a variety of environments. 10/26/2006

Professor Stewart Mader, senior instructional technologist in life sciences at Brown University, gave a good general talk about wikis followed by a few examples in education.