And that message goes through those steps incredibly fast; Google says that more than 50 percent of e-mails sent through Gmail are delivered in less than a second.

Google's Contextual Smart Replies feature for Gmail will be available for Android and iOS. The feature is rolling out this month, but will only be limited to Google One AI premium subscribers.

Does Gmail want to be an instant messaging client? Last month the popular webmail app shipped an emoji reactions bar in the mobile app, where a single tap would send a new email with your emoji ...