Chris Brogan is ranked 13th on the AdAge Power 150 and a great source to keep on top of social media developments:

• My Best Advice About Social Networking
• My Best Advice About Personal Branding
• My Best Advice About Blogging
• My Best Advice About Social Media
• 50 Steps to Establishing a Consistent Social Media Practice
• 50 Blog Topics Marketers Could Write for Their Companies

Social media business strategy and more – chrisbrogan.com, Sep 2008

If you see the value that I do in social media, you won’t be disappointed. Give a look.