@jwildeboer
Hm, good point, the part with the library CDs is new to me though.
For DRM material it is absurd: lets say I want to delete my Amazon Account or it is deleted by Amazon for whatever reason: I will loose access to my 300 books I bought perfectly legal.
It would be stupid to continue this road so I switched to epub. But I can not legally convert the Kindle books to epub since it is protected material, even though the content can be considered same as a regular book. BS law.