It was also a running thread in Carl Sagan's "The Dragons of Eden" that a lot of the history of communications tools and writing formats is the ability to exter

It was also a running thread in Carl Sagan's "The Dragons of Eden" that a lot of the history of communications tools and writing formats is the ability to externalize memory and what that means for how we think and behave and what brain power that opens up for other things when we can externalize those memories to focus on other tasks.