A social network service focuses on building online communities of people who share interests and activities, or who are interested in exploring the interests and activities of others. Most social network services are web based and provide a variety of ways for users to interact, such as e-mail and Instant messaging services.
Taken from Wikipedia http://en.wikipedia.org/wiki/Social_network_service
Linkedin is the world’s largest professional network site.
Over 30 million members
The site helps you exchange knowledge, ideas and opportunities with your trusted contacts
The Birmingham Post is just one of many companies that have their own group. Joining will help expand your West-Midlands contacts and also gives you access to forums where business issues are discussed
What my members are telling me is that with the recession there are stingent limits on travel these days in most major organisations . That being the case one of the few relatively cost effective ways that they can keep in touch with each other and get a feel of what's going on is through social networking sites and remote telepresence type meetings. I can only see this trend developing into the future
Consultant at Becta (British education and communications technology agency)
3 years ago I met the MD of a start up company at a friends wedding in France, got into a discussion about social network analysis, connect through LinkedIn, recently followed on Twitter. Read your discussion post just after reading a twitter post linking to the Social Media Case Studies Super List. Made the connection - on-line networking in action!