Copy Protection: Difference between revisions
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** Amusingly, United States courts have ruled that copyright traps are not, themselves, copyrightable, because to let them be so could a produce a [[Logic Bomb]] situation where an error in listing facts (which themselves are not copyrightable) might result in copying a "false fact" which itself would violate copyright.
* Similarly, dictionaries, encyclopedias and other reference works may include [[w:Fictitious entry|fictitious entries]] intended as copyright traps. For instance, in 2005 the ''The New Oxford American Dictionary'' included an entry for the non-existent word "esquivalience", defined as "the willful avoidance of one's official responsibilities", as an explicit copyright trap.
* [[VCR|Betamax and VHS]] used security services like [[w:Macrovision|Macrovision]] to prevent piracy for movies and shows. Copying a Betamax or VHS tape would make the copy unwatchable by scrambling the screen. In modern VCRs (since 1997) and all DVD recorders, they have a chip-in to detect that it's copy-protected and would stop the recording, And leaves you with an error screen that reads things like ''Recording Error!: This program is not allowed to be recorded!'' The first movie to have a copy-protected home video release was the crime drama ''[[w:The Cotton Club (film)|The Cotton Club]]''.
* Copy-Protection on [[Laserdisc]], [[DVD]], and [[Blu-Ray]] had been quite common for many movies and shows to prevent viewers from making bootleg copies.
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