[omegafail]

Even Quora? :-)

I think they removed the logged-in requirement. At least I have been able to see every answer even though I never registered.

[dpacmittal]

You can see the answer if you go to the page via a google search result. If a friend sends you a link, they block the answer with that annoying login modal.

[juliangregorian]

It's pretty easy to delete with the developer tools, though.