Schneier — “In 2014, former NSA and CIA director Michael…”

Source: Data and Goliath: The Hidden Battles to Collect Your Data and Control Your World — Bruce Schneier

Book page: schneier-data-and-goliath-part-1

From: Bruce Schneier — Quotes

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In 2014, former NSA and CIA director Michael Hayden remarked, “We kill people based on metadata.