I would pay money out of my Pocket for an Outlook addon that allowed me to remind me one minute before a meeting starts. 5 minutes is just long enough for me to forget again.

I would pay money out of my pocket to never have to use Outlook for corporate communications and scheduling ever again.

What application do you use for communication?

Outlook because there’s no reasonable alternative with my enterprise customers. But I’ve been known to read my personal email with a Linux command-line mail reader.