> But you should also be able to block 30 minutes in your calendar before the meeting so you can prepare – without having to switch over to your calendar app and add the events there. Hit ⌘K and type “Add 30 min buffer before event“. Done.

You should look at https://woven.com - which is doing much of this built into "templates" of events - which you can iterate off with a single click or keyboard shortcut.

I love Superhuman, but the problem with an inbox being the "center of gravity for productivity" is that it's inherently reactive. Real productivity comes from prioritizing your work before it happen - which means that some things are not prioritized. Superhuman might help you be very efficient, action-oriented and get stuff done - but it doesn't necessarily mean you're focused on the right things or getting deep work or creative work done.

Full disclosure: I'm an advisor for the company.