buddycloud does this. Distributed, like email. Federated like email. Realtime. Your "home" server maintains an inbox of events since you were last connected.

buddycloud does this. Distributed, like email. Federated like email. Realtime. Your "home" server maintains an inbox of events since you were last connected. And we are working to standardise the protocol (https://buddycloud.org/wiki/XMPP_XEP https://buddycloud.org/wiki/XMPP_XEP). Yesterday we released the first working server that implemented the entire protocol: http://buddycloud.com/cms/node/247 http://buddycloud.com/cms/node/247 and we are now working to finish the webclient which looks like: http://buddycloud.com/cms/content/buddycloud-screen-dump-part-2 http://buddycloud.com/cms/content/buddycloud-screen-dump-par... No 140char limit, no promoted tweets, no API agreement BS.