tantekfrom a publish own site syndicate everywhere (posse? just made that up ;) ) perspective (when you post comments on your own site first, what's the best way to syndicate them out to the site that they're commenting on, and other comment/review sites as well)
tantekand then from a UI perspective on your own site - providing the ability for *others* to write a comment on one of your posts, and have it posted first/primarily to that other person's personal site, with a copy on your own site
tantekthe closest we've gotten to that in the past is trackbacks/pingbacks, but even there, I don't know of any blogging systems which would treat their comment box as a *post* authoring box for your own blog (e.g. via the Metaweblog API), but that's certainly worthy of an experiment (plugin? perhaps there already is a WordPress plugin to do so but I don't know of any)
tantekif simplify means "To make simpler, either by reducing in complexity, reducing to component parts, or making easier to understand" - http://en.wiktionary.org/wiki/simplify