Back in the early 1990s, the world’s largest consumer goods company, Procter & Gamble, was busy working on a new product. It was a spray that would completely eliminate bad odours. From wet dog stenches to the lingering smell of cigarette smoke, Febreze was meant to become a revolutionary golden-goose product that would bring in billions of dollars of revenue to the company every year. In the end, it did. But only thanks to the intervention of home use testing. So, with that in mind, let’s look at how one of the world’s most successful products nearly didn’t make it.