Amazon can already track your book purchases, recommend titles based on your latest browsing history, and is annoyingly great at peppering the websites you see with ads based on your shopping habits. So would it surprise you to learn that the online bookseller is getting into the intelligence game? Federal Computer Week, a magazine that covers technology and the federal government, is reporting that Amazon has signed a contract with the CIA, agreeing to help the agency develop cloud computing technology over the next decade. While the magazine’s anonymous sources confirmed the $600-million deal, Amazon, America’s largest online book retailer, and the CIA both declined to confirm it.