I must say that in the future, we may look back on these days and say that this was about the time when "you-buy-it-you-own-it-forever" kind of ended for media.

Here's the graph for CDs:

There's still some stuff out there, and SACDs still sell in small volume to people who want the highest fidelity, but I think that outside of some vinyl sales to the retro crowd, the audio world has mostly moved on. The video world might do the same.