20/20: Inside Infomercials

It slices, it dices, ... but wait, there's more. We've come a long way since those infamous words were first uttered (or have we?). ABC and Consumer Reports go behind the scenes of infomercials to see their inner workings, as well as which products work and which don't. Here are the best segments: "Infomercial Ads...part 2" and "Testing Products with Consumer Reports...part 3".