People want reconnect with lost school friends(Classmates.com,1995)
SixDegree.com1997-2000 promoted itself as a tool to help people connect and send messages to other.
Epinions.com 1999,a trust-based social networking site which members can decide to either trust or block (distrust) another member.
Business social networking site 2001, create a pool of contacts from which you can draw leads, referrals, ideas, and information for your job search and career progress.
Friend site 2002, social networking began to flourish as a component of business internet strategy at around 2003