This is a browser plugin that is like "Twitter for data".
Example cloud addresses to follow:
See http://xdi.ninja/ for more information.
Warning: This uses "Crossrider", which is a known advertising/spyware framework. If you install this plugin, a third party company will collect your personal data. Therefore, consider this experimental and use at your own risk. Maybe you are interested in rewriting the plugin?
Google Group: http://groups.google.com/group/xdi2