Free online proxies

Everybody needs a proxy from time to time, whether because you get banned from a site by a stupid bot and you need an admin's attention to remove the ban or simply because you need to see something blocked for your country for totally silly reasons.
So here's some cool sites I discovered these days:
1. Use Google as a proxy (source)! So very simple:
http://www.google.com/translate?langpair=en|en&u=www.forbiddensite.com
Unfortunately, the english to english translation is already removed by Google, but you can always translate to some other language you know. Works for porn, lol.
2. List of free online proxies
Enjoy!