I guess XMPP presence could fill that role, but it's really overkill, and would need a webapp to do history/timeline
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
I guess XMPP presence could fill that role, but it's really overkill, and would need a webapp to do history/timeline