> Hold down the Option key and click on Airport or volume control to see what I mean in macOS. It gives you more information, and the information it provides is information you didn't necessarily need to have without holding down the Option key.

You just blew my mind. I've been using Macs for nigh on 10 years and this is the first time I've heard of this. This is going to make so many common tasks (choosing sound output) so much easier!

Until I forget it exists 2 hours from now.