Exponential growth is a difficult concept for many people to grasp. I know this from experience. I've worked on multiple financial literacy products, and one of the hardest concepts to convey to students is how a 401k (which also relies on exponential growth) works.
COVID-19 is forcing us to face exponential growth in the real world. Everyone is trying to comprehend it's rapid spread. For many of them charts and graphs are an impediment to learning rather than an aid.
I created this short video to visualize one of COVID-19's deadliest attributes: It's exponential growth of infections due to a lack of vaccines and natural communities.
If you find it useful, please share. It's also on YouTube at https://www.youtube.com/watch?v=FksW_cNYX_U