Any sufficiently advanced technology is indistinguishable from magic.

Gavan O'Herlihy was the first Chuck Cuningham. Peter and I came across the story about what a “Chuck Cuningham” really is.

http://en.wikipedia.org/wiki/Chuck_Cunningham_syndrome

I found this great site that l lists how to clean things around the house. It even has a answer to my question about the rubber stain in my bathroom.

http://cleaning.lifetips.com/tip/81062/floor-cleaning/linoleum-vinyl-cleaning/removing-stain-on-linoleum-or-vinyl-from-rubber-backing-of-area-rug.html