This year 81% of companies’ chief marketing officers plan to link annual revenues to social media marketing investment, according to a study by CMO Club and Bazaarvoice. With that in mind, SEO co. 97th Floor (Twitter: @chrisbennett) created this chart for CMO.com. It’s a good introduction to what social sites can do for exposing your brand, communicating with customers, driving traffic to your site and climbing to the top of search results.

The important thing to remember for putting the lessons of this chart to use: You must create content.

Click the image to download it as a PDF.