451 - new status code for resources blocked by the state
Tim Bray, a Google employee, whose name is on the front page of the XML specification , suggested adding a new status code for Legally-restricted Resources.
Code 451 was not chosen by chance: a direct reference to Ray Bradbury’s novel is intended to remind all of us of the despotic future predicted in it. The very same idea of a similar code of vital with Tim since the time of blocking Pirate Bay .
Do not be surprised if you soon see 451 Unavailable for Legal Reasons on any of your favorite sites.