Google’s a great search engine, but search privacy has long been a concern for some. If you want to search privately without leaving Google, Start Page is a simple web app that can act as a proxy for your searches.
The TOR Project provides free, distributed worldwide proxies for anonymous browsing and private downloading. TOR comes with a built-in Firefox add-on, but Chrome users can get a handy on/off button for TOR with this setup, explained by commenter brssnkl.
Non-US users frequently encounter the annoyance of geo-blocked content when trying to access popular sites like Hulu, but every now and then the burn is felt even in the States too. Reader hengehog details how to access BBC’s iPlayer from outside the UK.