Sometimes, you may need to turn a physical document into a digital file, either to keep a copy on your computer or send it to someone via email. If you have an all-in-one or multi-function printer, ...

You can use your iPhone to scan documents, QR codes, and other files using the Notes app and your camera.

I don't know if such a thing exists, but I'm looking for a scanner (or laser-based MFP) that has a single-button scan to email option. Not the kind where you enter the email address into the scanner, ...