I wrote this talk for a friend's "Psychology of Programming" class, but it should be accessible to mainstream audiences. It covers "esoteric programming languages" (esolangs), their history, and why I find them so interesting. There's also a companion article at https://hillelwayne.com/talks/esolangs. It includes more detail on each language, links to references, and talk errata. If you enjoyed this talk, you can follow me on Twitter at @hillelogram or check out my newsletter at https://buttondown.email/hillelwayne/.