[pmlnr]

> I'd love it see it in action, and in particular the major differentiators from other blogging platforms

That is actually a very reasonable idea. The summary in words, is that once you added your social accounts to Known, posting the same content would be a simple on-off flip from Known.

> can't we do all this with wordpress?

None of these features are in the WordPress core. There are plugins for WP (see https://indieweb.org/WordPress/Plugins for details) to add similar functionality, but Known is, so far, simpler to use.