[tree_of_item]

Why? It's not open source and is vulnerable to the same issues, i.e. a single point of failure should some large entity deem a message undesirable.

It'd be better to take a look at things like status.net, or more low level solutions such as http://scripting.com/stories/2012/07/25/anOpenTwitterlikeEco....

[seagreen]

We need LINT! (LINT Is Not Twitter) Any other resource recommendations besides the Winer article?