They tried the 7 folds for paper (used a gigantic sheet of paper maybe te size of a football field. I forgot the results). They test a toothbrush for fecal matter (I believe they found the tooth brush contaminated ANYWHERE in a bath room although physically harmlessharm less. They also tried the no echo quack (again, results escape me)

On a personal note, I would submit that APPLE is in the top three if not number 1.