[Editor's Note: Social media needs to have a strategy.] Sean Carton - ClickZ - 12/21/09 Why should you spend your ad dollars on social media?

That might seem like a silly question, given that everyone seems to be shifting ad budgets to hop on the social media bandwagon. But if you aren't asking it, you're asking for disaster. And if you can't answer the question with a comprehensive, strategic answer, you're wasting your money. Read the full story.