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by mg 962 days ago
Is there no type of work a human can do in a short time which has value?

Say in 20 seconds.

If there is such a task, then it can't be automated. Because then it would not have value. So we could base a captcha on performing that task.

If there is no such task - what is the minimum amount of time in which a person can create value?

If there is no task for any length of time in which a human can create value - well, then we are all jobless :)