https://techcrunch.com/2019/03/06/google-brings-its-duplex-ai-restaurant-booking-assistant-to-43-states/ > No moment wowed the audience at last year’s I/O more than Duplex. The demo of the artificial intelligence restaurant and appointment booking program left many in the audience wondering whether Google had just pulled a fast one over on them. > Over the summer, I got a chance to test drive Duplex at a Thai restaurant in Manhattan. And later in the year, the company rolled the program out in limited testing to restaurants in four U.S. cities. Today, it announced that it’s opening things up even more.