BD intersection is a Loaf of News & Technology, Science & Fiction, shopping & Entertainment & B$ in general. BDi is a semi-obscure blog for mature readers.
https://toronto.citynews.ca/2021/03/12/tape-that-dutch-inventor-of-audio-cassette-dies-at-age-94
https://en.wikipedia.org/wiki/Lou_Ottens#Compact_Cassette
https://en.wikipedia.org/wiki/Lou_Ottens#Compact_disc
