17 Profitable Products Invented By Accident

Here's a great rundown by TheStreet.com of some of the most surprising (and profitable) "happy accidents" in the history of manufacturing.

The list includes such marquee products as Pfizer's Viagra, JnJ's Rogaine, Kellogg's Corn Flakes, Raytheon's microwave oven, plus Sweet & Low and Play-Doh (among others). An entertaining read which should make every manufacturer think about expanding their sense of the market for their product.