Gmail can now autocomplete entire emails with a new feature called Smart Compose - here's how to turn it on

One of the best announcements that came out of this year's Google I/O was a new Gmail feature called Smart Compose, which can autocomplete entire emails for you.

Unlike many of the other announcements from Google I/O, Gmail Smart Compose can actually be switched on and used right now. It's all part of the new Gmail experience Google has been rolling out to customers.

Here's how to turn on Gmail Smart Compose, how to use it, and what it's like to use: