She won't understand cyborgs and brain cloning and AI, but that doesn't mean it won't be effective! Honestly, I'm good with anything - all of what your suggesting is my jam. If you don't want to deal with bewilderment and ignorance, though, maybe leave out the overly technological stuff? Seeing an empty world will definitely resonate.

I'M SORRY, I DON'T FEEL LIKE THIS WAS A HELPFUL ANSWER. tl;dr: do what your heart commands.