For many parents, the day a child becomes potty-trained is cause for celebration. Not only has their kid progressed to a new stage of their life, but it also means that they’re done dealing with one of parenting’s messiest products: diapers. Each year Americans spend more than $10 billion on Pampers alone, accounting for 12 percent of Procter & Gamble’s sales. Although that makes Pampers the biggest brand in P&G’s portfolio, their North American market share still trails Kimberly-Clark’s Continue reading