But something people haven't questioned as much is if there are any competitors lurking in the shadows that could eat away at Facebook's online presence.
Turns out Facebook has reason to be concerned.
MarketWatch's David Weidner last week addressed some competition creeping into Facebook's world. In his article "Here's the app that could kill Facebook," Weidner detailed how an up-and-coming app could actually threaten Facebook's hold on social networking.
Tack this on to the list of reasons to avoid Facebook stock - in case you needed any more.