[Discover] Facebook http://www.facebook.com/home.php?
(facebook community social friends) 
[Discover] A 40 something BBC Tech Correspondent tries out social networking http://news.bbc.co.uk/1/hi/technology/6690569.stm (facebook socialnetworking twitter bbc)
[Discover] Top 10 Facebook Apps: Work http://www.readwriteweb.com/archives/top_10_facebook_apps_work.php (facebook apps tools applications)
[Discover] A 40 something BBC Tech Correspondent tries out social networking http://news.bbc.co.uk/1/hi/technology/6690569.stm (facebook socialnetworking twitter bbc)
[Discover] Top 10 Facebook Apps: Work http://www.readwriteweb.com/archives/top_10_facebook_apps_work.php (facebook apps tools applications)