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A Pulitzer Prize-winning journalist describes today's world of indiscriminate surveillance and tries to evade it. Angwin, who spent years covering privacy issues for the Wall Street Journal, draws on conversations with researchers, hackers and IT experts, surveying the modern dragnet tracking made possible by massive computing power, smaller devices and cheap storage of data. Such data sweeps, including increased police surveillance, gathering of information by private companies, and federal interceptions of phone calls and Internet traffic, constitute "a new type of surveillance: suspicionless, computerized, impersonal, and vast in scope." A solid work for both privacy freaks and anyone seeking tips on such matters as how to strengthen passwords.--Kirkus