I've seen such things on HN at least. I've been contacted after posts I've made here and there are tons of people who received good help after asking for it on

I've seen such things on HN at least. I've been contacted after posts I've made here and there are tons of people who received good help after asking for it on HN. I don't think Dixon's is talking about the same thing as Gladwell. The examples that Gladwell cites are large movements not business or personal connections.