Amazon has posted its third-quarter 2015 income and expense report.

Revenue from sales of Amazon Web Services came to $2 billion. For the same period last year, it was $1 billion. Net income for Q3 2015 was $521 million; for the same period in 2014, $98 million. That is, turnover doubled in a year, and profit increased fivefold.
Turns out renting out servers is a bit more profitable than selling books and everything else.