Facebook (NASDAQ:FB) is beginning to lose its cachet among teens. Two recent studies showed that Facebook isn't as popular as it once was, which should concern investors. Erin Miller sat down with Fool contributor Travis Hoium to see who is taking share in the social media space. 

Erin Miller has no position in any stocks mentioned. Fool contributor Travis Hoium has no position in any stocks mentioned. The Motley Fool recommends Facebook. The Motley Fool owns shares of Facebook. 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.