Censorship is a slippery slope. The United Kingdom: my home. Case in point.
Nearly five years ago, the U.K. flipped the Web censorship switch. Most U.K. residents didn't even notice. Designed by telecommunications giant British Telecom (BT), "Cleanfeed" was used to filter out child abuse imagery, and it did so with great success.
Users would not see a notice or a startling warning about the content they had inadvertently accessed or had tried to reach. The page just wouldn't load.