Amazon's last quarter results were reported [3] late yesterday, and show that the online retailer is seriously growing its sales: Revenues at $13.2 billion were up 34% year on year. But net income slipped 35% to just $130 million compared to last year's $201 million--a much less compelling figure. Some of this additional operating cost comes from the fact the firm added 9,400 workers [4] to its payroll during the quarter, it's largest growth spurt ever. Nevertheless, the firm did beat analyst expectations by a wide margin. And though it kept its Kindle sales figures, as ever, under wraps it was separately guessed by Comscore [5] that the Kindle Fire [6] now makes up for 54% of U.S. Android tablets--a figure that represents a success for Amazon and which will irk Google as the Fire uses a completely forked Android version.

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