While onstage at I/O 2018 on Tuesday (May 8), CEO Sundar Pichai previewed new capabilities from Google Assitant, including a feature that will make appointments for you that sound like a human. During the preview, the AI Helper called a salon to make a hair appointment, and the person on the other line had no clue that they weren't speaking to a human.

Pichai explained, “The amazing thing is that Assistant can actually understand the nuances of conversation. We’ve been working on this technology for many years. It’s called Google Duplex.”

Check out the full clip above.