Social Networks

Community Sites

• Facebook
• LinkedIn
• Myspace
• Bebo

Blogging Sites

• Blogger
• Wordpress

Social News

• Digg

Photo and Video Sharing

• Flickr
• Picasa
• YouTube

Directories

Instant Messenger

• Skype

Email

• Gmail
• Yahoo!

• Brightkite
• Delicious
• Design Float
• Dopplr
• Friendfeed
• Gamespot
• Google Talk
• Last.fm
• Mixx
• Mobile Me
• Netvibes
• Newsvine
• Openid
• Plurk
• Posterous
• Reddit
• RSS
• Stumble Upon
• Technorati
• Vimeo
• Windows
• Yelp
• Tumblr
• Viddler
• Virb
• Yahoo Buzz