The End of the Windows Era (chart)

A more meaningful chart would show how the total number of "Personal Computing Platforms" has exploded. How would the chart change if you decided that an old Nokia that supported WAP was also a "Personal Computing Platform"?

Also, this comes from Asymco - "Covers the mobile industry with a heavy slant towards Apple's business strategy and predictions of their financials.". So a company that's focused on the mobile industry created this.