Even cassettes are making a comeback. Oddly the only real use case you can justify is audiobooks as unlike a Vinyl 16 rpm or CD (or mp3 storage moved to a different device) they "remember" location and the S/N, wow, flutter and 40 Hz to 10 kHz is more than good enough for ordinary narration. Less space than CDs or 16 rpm. A Talking book on 78s took up a lot of space. Hungary (or somewhere there) had live audio plays on the phone system before radio was invented.
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