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.

In the coming weeks, the service will be rolled out to users on other Android and iOS devices, as the company continues to tweak the program based on user feedback. Meanwhile, that may or may not give the rest of us time to come to grips with the creepily natural interactions of Google’s new AI.

Related: Google Assistant to call restaurants and make reservations for you