I piled on along wfn's recommendation of the book here: https://news.ycombinator.com/item?id=7267811

The story (https://qntm.org/responsibility) was really fun, and there were good comments too. It's certainly one of my favorite HN posts.

Re: OQ, I don't have a single favorite, but I like whenever the hivemind hashes out what's going on with a big tech issue, like Facebook's post denying complicity in NSA spying.