Karl Fogel at
First-sale doctrine and freedom of speech are both important principles.
It turns out that when you combine them, an unexpected chemical
reaction occurs and you get what in economics is known as "totally
effed-up marketplace ridiculousness":
https://www.nytimes.com/2018/07/15/technology/amazon-used-paperback-book-pricing.html
Tyng-Ruey Chuang likes this.