the power of social networking:
You can check how well your organisation/brand is doing on the social networking sites with Addict-o-Matic, and I'm currently finding out the power of mobile networking, and starting to identify who writes both interesting and useful blogs!

• Wikipedia: Social media
• Wikipedia: Social networking

engagement with social networking:

• Academia.edu since February 2009
• Bebo since April 2009
• Blogger since November 2008
• Delicious since November 2008
• Digg since November 2008
• Ecademy since February 2009
• Facebook since December 2006
• Friendfeed since March 2009
• Friends Reunited since 2004
• Hubpages since March 2009
• Linked In since February 2009
• Mendeley since March 2009
• MySpace 2006-2007
• Newsgator since April 2009
• Ning since January 2009
• Orkut 2008
• Plaxo since February 2009
• Plinky since March 2009
• Reddit since March 2009
• Second Life 2007
• Slideshare since April 2009
• Squidoo since March 2009
• StumbleUpon since November 2008
• Tagged 2008
• Tangle since 2008
• Technorati since February 2009
• Travelblog 2006-2008
• Twitter since January 2009
• YouTube since November 2008