Facebook has a lot of smart people behind it. If these are five things that will definitely kill Facebook, you can be sure that Facebook won't be sitting on the

Facebook has a lot of smart people behind it. If these are five things that will definitely kill Facebook, you can be sure that Facebook won't be sitting on these five things for long. I don't see Facebook staying as just a social network for very long, just as Google isn't just search (not that I'm comparing the two just yet).