Sending Amazon workers a unionizing message is as easy as changing a book cover

I haven’t read Mike Monteiro’s new book Ruined by Design, so I can’t say whether it’s any good. But let’s judge a book by its cover for a moment — because this cover cleverly encourages Amazon workers to form a labor union.
This past Thursday, Monteiro tells The Verge, he realized he could change his self-published book’s cover as easily as uploading a new PDF, and used it to add a new message to Amazon workers they’ll presumably see as they print