Contrary to popular belief I never found CD's or CD-R's usable as coasters. I 
found the hole in the center of the disc to be a magnet for condensation and 
would produce marks on my tables and desks that were just as annoying when I 
forgot to use a coaster.

On Wednesday 07 May 2003 12:22 pm, Ed Skinner wrote:
> Cool!
>      The coaster I have on my desk, an AOL 8.0 CDROM, was getting pretty
> grubby. Fortunately, today the postman brought a new issue of Dr. Dobb's
> Journal and, included therein, was a Microsoft Server Evaluation CDROM.
> I've trashed AOL's CDROM and put Microsoft in its place, underneath my
> coffee mug. Thanks, Microsoft!