Prometheu5

If you are technologically savvy (as one may assume, since you are here after all) and you feel uncomfortable with this change (as I do), I would suggest looking in to some of the other projects around that offer somewhat similar (albeit not as feature complete) self-hosted solutions: https://github.com/philcryer/lipsync http://sparkleshare.org/

If you are interested in some hypothetical pondering about how secure Tor is not, here's some food for thought: http://sheddingbikes.com/posts/1293530004.html

Perhaps Murder would work? See: http://engineering.twitter.com/2010/07/murder-fast-datacente...