The origins of this speech are actually more ancient: the first time I reasoned about the Venn diagram it's based on was during a podcast. Then hodlonaut (npub1cjw…j2rh) asked me to write an article about it for Citadel21, but I never delivered. At the Unconfiscatable Conference, in Las Vegas, I was asked to give again the speech given at Adopting Bitcoin Conference, in El Salvador: "The Perfect Lightning Wallet". But last minute I got an inspiration and changed my mind (and slides):
https://youtu.be/GgFQgfssHBo