This Silicon Alley Insider chart of the day, via Tim O'Reilly, is an attention-grabber. While Microsoft reports operating profit by division in its quarterly SEC filings, the chart does a much better job of telling Microsoft's business story over the past 3 years.
When the chart was first posted, the date range spanned September 2006 to September 2009. Silicon Alley Insider added the December 2009 data after a comment on the blog post. As a result, the y-axis doesn't actually span the size of Microsoft's roughly $10 billion operating profit in the December 2009 quarter.
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