See A Motherboard Walks Into a Bar ... by ALEX STONE, from yesterday's NY Times.
There is a program "called Standup (for System to Augment Non-Speakers’ Dialogue Using Puns), a program that generates punning riddles."
If you are replaced by a machine, you are structurally unemployed. So I guess Jerry Seinfeld will soon be out of a job. All the programmers have to do is have an animated or holographic image of a "comic" telling the jokes the computer has come up with. Imgaine paying only 25% or 50% of the price Seinfeld charges for the same amount of laughs.