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.

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

Inventors Who Died Due To Their Own Inventions: The Irrational Death of Hippasus
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The Spiritualism Movement Was Utterly Ridiculous, Part Two: Con Artists, Skeptics, and Ghosts
52:36