I used to think that the fight for world domination would come down to Apple and Google. Admittedly, my theory was flawed from the beginning as there are usually at least three big names fighting for power.
Enter Facebook. I guess I shouldn't even say "Enter." More like, Duh. Facebook.
(And if all the cool sites were jumping off a bridge, would we? I don't know. I bet Facebook could make it pretty fun. Do we get a bungee cord?)