Improve the visuals/content in the prototype

Improve the visuals/content in the current prototype so we can get more useful results from usability activities during the summit.

Suggestions (in progress):
https://docs.google.com/presentation/d/1L5Km23Zl-UFocsX6BHi4sD6HaQ-t9C_nKoNn6GM3P00/edit#slide=id.g3233e154a_0_7