Schneier is astute:

An article from The Economist makes a point that I have been thinking about for a while: the modern technology makes life harder for spies, not easier. It used to be the technology favored spycraft -- think James Bond gadgets -- but more and more, technology favors spycatchers. The ubiquitous collection of personal data makes it harder to maintain a false identity, ubiquitous eavesdropping makes it harder to communicate securely, the prevalence of cameras makes it harder to not be seen, and so on.

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