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Did you ever try to copy one VHS tape to another and find that it just, well, didn’t work? Macrovision was the clever creation of what is now TiVo that managed to confuse a VCR without causing too much distress to a TV. In this video, we find out what it is, how to spot it, and how it works (with a healthy dose of speculation).

Music credit:

Panama Hat No Voice by Audionautix is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/...)
Artist: http://audionautix.com/

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