Open-source microblogging site may become Twitter fallback

A new open-source social web service called identi.ca challenges the conventional approach to microblogging and offers some potentially significant advantages for end users. The identi.ca web site and its underlying Laconica software platform, which were created by WikiTravel founder Evan Prodromou and his company Control Yourself, could be the alternative that many disillusioned Twitter users have been looking for.