Today I gave a presentation at the UN Innovation Network’s TechLearnTalks (archived, backup):

The slides from my presentation are available here:

https://docs.google.com/presentation/d/1qDtY8jrMnDz3tGpqg-AvgIBB5iiY54Jko6lMDZP7c5o/

The live demo spreadsheet is available here:

https://docs.google.com/spreadsheets/d/1j1dXgZ_9RzvBdKFyA1Goii6IzPniNWSLs14D-kN_RNo/

EDIT (2020-06-11): due to popular demand I am turning the spreadsheet into a somewhat more formal product:

http://spreadsheet.network/ a neural network in a spreadsheet

With an FAQ. Paper to follow.

Updated: