Clearly there's a limit. For example, if an alien autocomplete implementation were to fall out of a wormhole that somehow manages to, say, accurately complete sentences like "S&P 500, <tomorrow's date>:" with tomorrow's actual closing value today, I'd call that something else.
> At what point does autocomplete stop being "just autocomplete"?
Every single discussion on the internet is a repeat of https://en.wikipedia.org/wiki/Loki%27s_wager it seems…