Manually create an encoding of some data that is difficult for a computer to decode but easy for a human. Unlike the "completely automated" CAPTCHA, this Human Generated PTCHA requires human effort to create (so us not suitable for high volume), but is hopefully much harder for a computer.
"Pictionary" style drawings of a word
"Charades" style video acting of a word
"Taboo" style spoken descriptions of a word
Cursive calligraphy
Interpretive dance
Riddles and puns
Original motivation was to thwart large scale automated copyright lawsuits. Content is encrypted, actually merely obfuscated, with a key that is encoded in a HUPTCHA that is distributed with the content.
Avoid common DMCA takedowns for background music for a video.
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