I just thought the pictures were neat!
I was reading "Diverse Voices: A how-to guide for facilitating inclusiveness" and saw this line:
Research suggests that documents with a less-polished, ‘drafty’ look are more likely to elicit feedback.
The paper it cited was "Prototyping for Tiny Fingers" that had some fun figures about making UIs and getting user feedback early by having the user physically navigate the UI with human proctors
