Well, in a distributed twitter everyone is primarily writing to their own server. "Retweets" are just a different kind of content. Notification of the originati

Well, in a distributed twitter everyone is primarily writing to their own server. "Retweets" are just a different kind of content. Notification of the originating server that you've found something interesting should be an optional nicety, not a critical feature. Chances are most sites won't support that feature anyway (to easy to abuse for spam).