> The industry could not break compatibility with over a 15 years' worth of CD players, especially since people had them in their cars, etc.

Sure, not at first. But how long has it been since most people interacted with a CD player now? Most teenagers haven't, ever.

Yet here we are, music is still being sold on CDs.

Not that I want to put the music industry on some kind of pedestal as a paragon of virtue in the digital age, but it's certainly odd and noteworthy.

> Now, since CSS was cracked, DVDs are, in practice, no harder to rip. But a company like Apple can't ship a DVD ripper in iTunes.

DVD quality is not really of sufficient quality for most consumers today, though. Meanwhile, CD quality continues to match or exceed modern streaming services.