Polaroid is going to stop making film for its instant cameras. I still have the audio equivalent--lots of cassette tapes, quarter inch reel-to-reel tapes of old piano recitals. Even digital audio tape (DAT) isn't used very much any more. Pretty soon the TVs in my house are going to be dinosaurs too.
We try to make art, music, and literature to last, but even something as ageless seeming as Mozart is only 200 some years old. Hopefully Mozart won't seem like Polaroid some day. Technology marches on; hopefully art loses its utility at a slower pace.