More or Less: The World's Most Profitable Product

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Recently one of our listeners contacted us to say he heard a BBC correspondent describe the iPhone as the most profitable product in history. It was just an off-the-cuff comment but it got us thinking - could it be true? We compare and contrast a range of products suggested by More or Less listeners to work out if the iPhone truly is the most profitable. Producer: Laura Gray (Image: An iPhone on a pile of coins. Credt: Shutterstock)