It's interesting, I registered Quora last week and it was optional to use your Facebook or Twitter account to register. It was a bit tricky because it looked li

It's interesting, I registered Quora last week and it was optional to use your Facebook or Twitter account to register. It was a bit tricky because it looked like you need it, but you could make progress without it. But I rechecked a minute ago, and it really required it. It seems that they changed the policy this week.