FORTUNE -- The chart above, created on an iPad, may be Horace Dediu's the best graphical representation yet of Apple's (AAPL) business model circa 2012. According to his footnotes, the height of the light blue rectangle representing payments to developers (Dev Payments, lower right) equals...
Chart of the day: The ebb and flow of Apple’s billions
Asymco's Horace Dediu has a new way to illustrate Apple's profit-making machinery
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