> Imagine five years from now, this tech and Google's Smart Reply have evolved to the point where they can basically write entire email responses or have whole conversations without your input.

Ahum. Did you watch the keynote?

"An extension of Gmail’s Smart Reply feature, Smart Compose will suggest complete sentences within the body of an email as you are writing." [0]

[0] https://www.theverge.com/2018/5/8/17331960/google-smart-comp...