Social Marketing and Social Networking

Social networking, by definition, is the grouping of individuals into specific groups.  I’ve had numerous message boards and web sites over the past 10 years, but I still consider myself as a novice at social networking.  Today I ran across a good site pertaining to social networking and social marketing, it is run by a gentleman named Chris Lang and his blog is at:  http://www.keywebdata.com/?cat=5.