But that's the reason why Duplex is interesting, and why there's a grain of truth in what ZainRiz is saying: Humans have settled on a de facto API for scheduli

But that's the reason why Duplex is interesting, and why there's a grain of truth in what ZainRiz is saying: Humans have settled on a de facto API for scheduling appointments. It uses the telephone as its interface, speech as its medium, and Duplex is exploiting it.