How about this - GPT3 is good at taking human-input text and finishing it, right? Have a typewriter, preferably an older creepy looking one. Outwardly normal,

How about this - GPT3 is good at taking human-input text and finishing it, right? Have a typewriter, preferably an older creepy looking one. Outwardly normal, no "Ghostwriter" logo. Have the user start typing a story, and then the GPT-3 kicks in at a random point in the middle of a paragraph.