From BoingBoing:
Firewall workaround: use Google as a proxy and access forbidden sites
Here's an O'Reillynet article that explains how to use Google's translation service to see sites that are forbidden by your company's firewall. Basically, you ask Google to do an English-to-English translation (or whatever language you want to use).
http://www.oreillynet.com/pub/h/4807
...another handy tool for UADNA Field Operators!