What does it mean to own an idea, a brand, a catchphrase or a concept? In part two of their continuing exploration of the weird world of intellectual property, the guys suss out what exactly is (or isn't) a trademark, and why people still find it so confusing in the modern day.

Knitting as Espionage, Part One: Secrets in the Stitch
33:37

CLASSIC: Idiomatic for the People II, Part II
38:46

Inventors Who Died Due To Their Own Inventions: The Irrational Death of Hippasus
34:48