I know all of that(and if I didn't...their design just screams facebook). Oh and I'm pretty sure they are self-funded. But yeah I can see Quora being written a

I know all of that(and if I didn't...their design just screams facebook). Oh and I'm pretty sure they are self-funded. But yeah I can see Quora being written about on it's own merits. But to mention it on the same level as Wikipedia and Aardvark, like they are already being used by everyone...when the author himself hasn't used it...just seems odd.