The Wal-Mart/Sam's Club empire made waves this week with the introduction of their new, square milk jug. Designed to improve space efficiency, reduce waste, and cut costs, the new jugs are a boon for sustainability and packaging innovation, but are proving tricky for some customers, who are having trouble pouring the milk without spilling some of it. It begs the question: Is sustainable innovation worth a little spilled milk?
First, what kind of innovation are we talking about here? To...
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