https://www.theatlantic.com/technology/archive/2013/07/the-hole-in-our-collective-memory-how-copyright-made-mid-century-books-vanish/278209/ https://www.theatla

https://www.theatlantic.com/technology/archive/2013/07/the-hole-in-our-collective-memory-how-copyright-made-mid-century-books-vanish/278209/ https://www.theatlantic.com/technology/archive/2013/07/the-h... Effectively unlimited copyright leaves a hole in the availability of older books, making it impossible for there to be any growth on top of them.