David Hill wrote:

Just remembered that a few years ago at Hampton court flower show they used
broken up CD's as a mulch,,,,,,,,,good use for all those junk ones that come
through the door.

I suspend them near my veggie patch to keep out the vermin: a kind of
21st Century scarecrow. It's an interesting sight when you have a lot
of them and the wind catches them. I used to use strips of foil, but
the CDs are a very economical solution. They also last longer.

-
Al