Blogging

• wordpress.com
• blogger.com
• typepad.com

Micro-blogging

• twitter.com

• Top 10 Twitter Tips for Beginners
• 10 Ways To Increase Your Twitter Followers
• How to Pick Up Followers on Twitter
• How to Use Twitter as a Twool
• How to Get Retweeted
• Nine Twitter tips for business
• 9 Ways Twitter Can Help in the Real World

Social Media

• flickr.com
• youtube.com
• photobucket.com
• imageshack.us

Social Sites

• facebook.com

• A beginner's guide to Facebook for non-profits
• A Beginner's Guide to Facebook
• Social Networking: A Beginner's Guide To Facebook

• linkedin.com
• plaxo.com
• friendfeed.com
• ning.com

Mashups

• tumblr.com
• LiveJournal.com

Social Bookmarking

• digg.com
• delicious.com
• reddit.com

Other

• feedburner.com
• constantcontact.com
• surveymonkey.com

Further Reading

• Best Practices | Social Media Strategery
• Alltop - Top Social Media News

Books

• Social Media Marketing: An Hour a Day
• Groundswell: Winning in a World Transformed by Social Technologies
• Twitter Revolution: How Social Media and Mobile Marketing is Changing the Way We Do Business & Market Online
• Word of Mouth Marketing: How Smart Companies Get People Talking
• Plug Your Business! Marketing on MySpace, YouTube, blogs and podcasts and other Web 2.0 social networks
• Creating Customer Evangelists: How Loyal Customers Become a Volunteer Sales Force