Coca-Cola (NYSE:KO) has come out and said that a recent study it conducted found that advertising via "buzz" -- i.e., sharing through social media such as Facebook (NASDAQ:FB) or Twitter -- had no measurable impact on sales for the company. Is this a major problem for Facebook's business model? In the following video, Motley Fool consumer-goods analyst Blake Bos tells investors why they shouldn't put a lot of stock in this study. He shows us what the biggest problems with the study were, and why companies still have a lot of value to unlock through social-media advertising.

Blake Bos has no position in any stocks mentioned. The Motley Fool recommends Coca-Cola and Facebook and owns shares of Facebook. Try any of our Foolish newsletter services free for 30 days. We Fools don't 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.