Google's Gmail has been the elephant in the room for over a decade and it's still surprising how many people don't...

Google's Gmail has been the elephant in the room for over a decade and it's still surprising how many people don't understand the email service. Instead, many just use it to sign in to their Android or Facebook and otherwise ignore it as a communications medium.

For those of you looking to be a bit better at G/email usage here's a great little primer.
https://www.makeuseof.com/tag/essential-gmail-terms-features/