We excluded companies with an operating margin of less than 15%, as well as companies that did not break out revenue by division or product. In order to estimate product operating margin, in the cases when the product’s margin or revenue was not provided, we used the company or division’s operating margin as a proxy. (Operating margin measures a company's profit as a percent of revenue after deducting certain expenses. Companies with margins of less than 15% are less likely to have a product with a high product margin.)
If it was clear that the brand power of the product and high volume of sales allows the company to sell the product at a premium, we awarded the product a higher operating profit. Market share valued listed are worldwide, unless otherwise noted. We treated company products of the same type and brand as one. For example, for our purposes, Coca-Cola includes Coca-Cola, Diet Coke, and Cherry Coke.
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