Q & A site with very smart people and good community.
I'm horribly addicted.
And my Being on the Platform. A Quora "blog" where I collate my answers thinking about Quora.
Interestingly. Perhaps they see their mission as fighting TheEndOfConsensus.
But also through creating knowledge in a form suitable for training AI : https://medium.com/quora-design/why-design-at-quora-aa7a0899e486