The following was presented at MGCCC on February 19, 2009: Social Network Services (SNS) What Exactly is an SNS? Social network services (SNS) are the online equivalent of physical social networks, such as user groups and book clubs. Typical features of SNS websites include a circle of friends, personal profiles, blogs, groups, bookmarks, instant messaging, photos, music, videos, forums, and other social software. ...more»