Cross posted from the EA Forum.
Epistemic Status: all numbers are made up and/or sketchily sourced. Post errs on the side of simplistic poetry – take seriously but not literally.
If you want to coordinate with one person on a thing about something nuanced, you can spend as much time as you want talking to them – answering questions in realtime, addressing confusions as you notice them. You can trust them to go off and attempt complex tasks without as much oversight, and you can decide to change your collective plans quickly and nimbly.
You probably speak at around 100 words per minute. That's 6,000 words per hour. If you talk for 3 hours a day, every workday for a year, you can communicate 4.3 million words worth...
Thanks for your quick answer -- you answered before I was even done revising my question. :) I can personally relate to Dan Luu's examples. / This immediately makes me want to find potential solutions, but I won't jump to any right now. / For now, I'll just mention the ways in which Jacob Collier can explain music harmony at many levels.