What is the crowd's opinion of Anonymizer?

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http://www.anonymizer.com/? You might also look at http://en.wikipedia.org/wiki/Anonymizer.

You should also consider that if you're caught using such a service (and people like me in corporations are very good at catching people like you when you've not bought our silence with drink) then you might be looking at a very quick visit to HR where coffee will not be served.