>When one system dominates a particular domain and locks users in, problems seem to naturally ensue. Unfortunately for privacy advocates, an open Linux-like system will have much more trouble coexisting with Facebook.<p>There are countless open source packages in this domain and countless people that run them or use them. Just how I like it, decentralized.<p>For example:
Reddit,
Status.net,
Buddypress/Wordpress,
Pligg,
Elgg