Over the past few months, we've seen users of Facebook (NASDAQ:FB) growing more concerned about how the social-media company is using their personal information. And although we see other companies taking information they know about us and using it to market other products and better advertisements, we can usually directly see how our information is being used, and those companies may have a higher switching cost associated with them. On the other hand, if Facebook users begin to grow to concerned about their privacy, they can easily stop using the service and move to a different social-media platform that offers similar features.

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Fool contributor Matt Thalman owns shares of Google, Facebook, and eBay. The Motley Fool recommends and owns shares of eBay, Facebook, and Google. 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.