Social-media-research@googlegroups.com is a Google Groups mailing list for people who are doing or interested in research on social media (blogs, forums, wikis, photo sharing, etc). Relevant topics: include NLP, information extraction, sentiment, community modeling, spam, tagging, trends, graph analysis, semantic web, trust, influence, SNA, event detection, trend/buzz analysis, machine learning. An associated Wiki is at http://socialmedia.wikia.com/wiki/Main_Page