You've heard it a hundred times: "Like us on Facebook!" But can social media sites such as Facebook (NASDAQ:FB), Twitter, and Pinterest really help a company grow sales?

It seems a social media buzz is brewing in the beer industry. Our roving reporter Rex Moore visited the recent Craft Brewers Conference and spoke with some folks who should know, including the director of Whole Foods' (NASDAQ:WFM) social media efforts.

Rex Moore has no position in any stocks mentioned. The Motley Fool recommends Facebook and Whole Foods Market. The Motley Fool owns shares of Facebook and Whole Foods Market. Try any of our Foolish newsletter services free for 30 days. We Fools may not all hold the same opinions, but we all believe that considering a diverse range of insights makes us better investors. The Motley Fool has a disclosure policy.