What's quora?(It's really hard to always keep on top of all the latest tread sites/appz/whatever. It's all so fly-by-night.)
I've dissmissed Quora the first time I've seen it like 5 years ago, but last year I've discovered there are super-cool folks over there:
* https://www.quora.com/profile/Peter-Norvig * https://www.quora.com/profile/Xavier-Amatriain
