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Even if you don't enough people do. My wife still uses FB. Amazon just came up with echo in frames. The privacy quickly becomes a luxury available only to select few.

> I hear it is difficult to surveil through books.

Unless if you swipe your library card.

Not unless they require your id to buy the book or check it out.

The book store El Ateneo Grand Splendid requested my passport to buy the book "Argentinian Cooking". WTF

Were you paying with a credit card? In Argentina the norm is to ask for id when paying with credit card, and if you're a foreigner the default would be to ask for your passport.

Not only that, but some years back there was an expose about some government profiling software marking people as more likely to be terrorists if they didn't have a social media profile.

you still have to buy those books, presumably using a cc or at least by showing your face