Precisely. Facebook is a black hole, nothing comes out of it and onto the wider web. We are all familiar with people moaning about articles being posted on HN f

Precisely. Facebook is a black hole, nothing comes out of it and onto the wider web. We are all familiar with people moaning about articles being posted on HN from paywalled sites, but when was the last time you saw an article on HN that originated on Facebook? (With people moaning about it). Sometimes you will get a Facebook 'tech' story posted, e.g. that compiled PHP thing they did or how 'fake news' is to be dealt with, but these stories - if they make it to HN - will be Facebook's own pages, not Facebook user 'pages'. I don't know why this is, Twitter stories make it into 'journalism' all the time, Facebook? Never!