A very interesting read;
http://www.afr.com/p/technology/google_unveils_uproxy_to_bypass_EAp7B3306AXXZ4MtMUGYMK
This new service will apparently be to "shield news organisations and human rights groups from cyberattacks as part of a new package of services designed to support "free expression" on the web."
Seems like a good idea to me. Would be a good way for google to test out new service denial techniques as well I suppose.