Why Facebook is better than Quora...or is it?

Tonight, Facebook launched its new product: Questions.

It speaks for itself: you can now query your social graph for answers to things that interest you. You can answer questions, tag them with categories, and vote on the answers. Reminds me a little bit of Quora (and formerly Aardvark, now owned by Google).

Here are the reasons Facebook is better than Quora, and why it will eventually destroy Quora:

• You spend a ton of time on Facebook every day. You are on there all day at work, I know you are. Don't try to hide it. Answering and browsing questions will make the Facebook experience more fun.
• More engagement. When people ask questions in their status updates, there is usually more feedback and comments. Facebook will become less boring because people will be engaging with each other more.

• What do you like? Remember all of those time you clicked "Like" on a brand you support, or a product you want? Facebook has been collecting that data and will try to surface it when you ask/answer questions. If they can integrate Pages, and your personal data from the rest of the web (Graph API), they are gonna have better advertising opportunities.
• Way more social. I think people have more incentive to answer a question than comment on a status.
• Facebook users who have never seen a question and answer site before might become addicts, and feel the Wikipedian-urge to make the web smarter.
• Facebook developers/product designers have been using Quora; they've mimiced its features, and they can launch from the start with a higher quality. If I worked at Quora, I would demand that Facebook pay me for stealing my idea. Another reason why Facebook will come out on top.

But here is why Quora is not dead (yet):

• Some people don't like Facebook. Quora is purely a question and answer community, so the quality of the answers might be higher.

• Quora leveraged Facebook Connect (ha) to get tons of users and personal data, and have created an interesting product that people are addicted to.
• Marc Andreessen spends a lot more time on Quora than he does on Facebook.

What's your take? Have you had a chance to try Quora or Facebook Questions? I love them both and I won't stop using Quora now because Facebook is playing the Q&A game. And Formspring is starting to really get my attention these days too...