[rickdeckard]

> No, but if you manage to scratch the aluminum foil layer on the backside, the CD instantly becomes useless.

Which is/was pretty hard to do on PRESSED CD's as they were covered with a thick coating, and sometimes quite easy to do on CD-R.

> Or when you store cd's in large unboxed stacks, they can stick together, which can also damage the backside.

Also, I only ever experienced that on CD-R, never on pressed CDs.

And to be fair: If you store all your tapes unwinded on a large spool, they also might see some damage over time ;)

[lodovic]

Fair point, my experience is mainly with cheap CDR's. These eventually all became unreadable.