1930: Wonder Bread becomes the first large-scale baker to sell loaves of presliced bread. The company's advertising is thought to be the origin of the phrase "the greatest thing since sliced bread."

By Anne VanderMey, reporter @CNNMoney - Last updated July 26 2012: 5:42 AM ET
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Indra Nooyi's Pepsi challenge

By the numbers, PepsiCo has done a pretty good job since she took the helm six years ago. So why is the CEO taking so much heat from investors?

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