Quora — It’s Time to Start Charging People.
Here’s My Money — Take it!

Quora’s making some changes at the moment but it seems to be making them in very weird places.
Site scuttlebutt has it that Quora needs to see some greater returns and has a pretty poor track record of making bank… which is why it comes as a surprise that it hasn’t yet moved to monetize its loyal and long term user base.