If you publish on a website, discussion about what you posted happens in a fragmented way across the various social sites (like we're doing here). If you publi

If you publish on a website, discussion about what you posted happens in a fragmented way across the various social sites (like we're doing here). If you publish on a social site you're saying "let's talk about this here". Conversations about what you posted might spring up elsewhere, but they become secondary. That's desirable if you want to have a moment when you're done addressing all of the comments.