Apple, Amazon, Google, Microsoft Market Caps (2006- )

By Caitlyn - March 4th, 2013, 11:30AM

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Source: Daring Fireball

Fascinating chart via John Gruber looking at the relative change in market capitalizations of four of the largest publicly trading tech companies.
The ongoing strength of Amazon is nearly amazing as the continued weakness in Microsoft.
All the while, Google keeps chugging along . . .