Originally Posted by Pookie
This was known very early on.
I remember reading about it in the early 1990s. You can hold up old CDs to the light and see small holes which begin to appear as the surface of the CD disintegrates. I had unplayable CDs by the mid-90s that I'd bought only a couple of years earlier.
ahh, fixing cds with a sharpie, what a 90s moment.