"...perhaps there should be a non-profit that exists for the sole purpose of providing rapidly changing and shifting anonymising proxies to people everywhere, to make it so that it is effectively impossible for any government in the world to block something like Twitter."
Check out tor (http://www.torproject.org/). It's slow, but it's the closest thing we have to that right now.
Despite this contributes nothing to the Iran thread, I find it amazing that you say 'we'. I neither want to go off-topic here. But it occured to me that people closely attached to the web tend to realize a 'we' amongst them, across all borders.
Check out tor (http://www.torproject.org/). It's slow, but it's the closest thing we have to that right now.