Over at Neddie's, in the comments, no less, I come across this:
joel hanes said...
What most companies think of as branding, we users think of as wasting our time and maybe as insulting our intelligence. David Weinberger "Get Over It!" _Darwin_Magazine_, March 2001
And I think to myself, what a wonderful world.
Webmentions allow conversations across the web, based on a web standard. They are a powerful building block for the decentralized social web.