excellent series of printable articles collected by @bret:

https://worrydream.com/booklets/

particularly enjoying @viznut's Bringing Magic Back To Technology (2015), on cultural evolution, "wild magic", and the discovery of bytebeat, a universe of musical expression that lay dormant in computer code for decades:

https://worrydream.com/booklets/Heikkila_2015_-_Bringing_magic_back_to_technology_(booklet).pdf

(thx, @yaxu)