What is Twitter? (via Bitstrips.com)

Learning Annex class on Using Social Media to Jumpstart Your Business Feb 11th 2010 and March 15th. Code "TWITTER" gets you a discount.

Social Media as a Marketing Tool for Lawyers, Jan 21 at Lunchtime, at the Harvard Club in NYC.

Howard Greenstein teaches Advanced Digital and Emerging Media for NYU SCPS' M.S. in Integrated Marketing.

Howard Greenstein teaches Using Social Networks and New Media Technologies in your Non Profit for NYU SCPS' Heyman Center for Philanthropy and Fundraising.

Sep 21, Social Media Policies for Lawyers - at the Harvard Club. (URL TBD)

Posts from 2002 and 2003 are available, though you have to work for it because they're still from Radio Userland format.