Nowhere near as high quality as it used to be though. I stopped my email digest there a year ago.

Yeah I agree with this. I've tried to use Quora before (about 2 years ago) but couldn't get my signal/noise ratio nearly as good as I wanted it to be

It was very good in the beginning. Now it is mostly people trying to show off any way they can. And it attracted too many ... well, let's call them ordinary mainstream people.