These are definitely not some of the surprises...
https://docs.google.com/presentation/d/1IoRzrUuKjY_v_2-z5V04pGG35PksBecTsaizI4Px0q4/edit#slide=id.p
https://docs.google.com/drawings/d/1UbNFHCBgnb9DW7ljO7rOfV47dHAnNTxiu06GH8ck5RQ/edit
https://youtu.be/_z-1fTlSDF0