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0.005 zettabytes is about 150,000 times as much as The Amazon.com's databases
In other words, it's 126,874 times the amount of The Amazon.com's databases, and the amount of The Amazon.com's databases is 0.000007881840 times that amount.
(largest databases only; 2005 figures)
Amazon.com maintains information on the millions of items sold on it's e-Commerce website and the websites of its affiliate companies, as well as information on customer orders and browsing history, and excerpts from nearly a quarter-billion books in databases totaling an estimated 0.00000004035510 zettabytes of data. Amazon.com receives over 615 million visits to its US website each year.
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