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Bits for Freedom writer Door Hans de Zwart explains how smartphones betray our privacy in a multitude of ways.

How your innocent smartphone passes on almost your entire life to the secret service

From the article:

Ton Siedsma, a lawyer for the Dutch civil liberties group Bits of Freedom, volunteered to have a week’s worth of his phone’s metadata collected and analyzed by researchers from Ghent University and by Mike Moolenaar.

The researchers’ report shows how exhaustively a cursory metadata analysis reveals intimate details of Siedsma’s sex life, family relations, interest, politics, religious affiliation, movements, social graph, and other deeply personal — and potentially compromising — matters. It’s an excellent counterpoint to the dishonest political narrative from intelligence services around the world — especially the US, Canada and the UK — that says that spying on your metadata is somehow harmless.