By Philip Elmer-DeWitt
April 14, 2011

Gartner’s picture of the computer industry would look very different if it included the iPad

The blue line is the PC market as Gartner defines it with the iPad’s growth thrown in. The green line is PCs running Microsoft’s MSFT Windows. The red line is Apple’s AAPL Macintosh. The orange line is the Mac plus the iPad.

Want more? Read Horace Dediu’s analysis at

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