As the price of digital storage drops and the technology to tap electronic communication improves, authoritarian governments will soon be able to perform retroactive surveillance on anyone within their borders, according to a Brookings Institute report.

These regimes will store every phone call, instant message, email, social media interaction, text message, movements of people and vehicles and public surveillance video and mine it at their leisure, according to “Recording Everything: Digital Storage as an Enabler of Authoritarian Government,” written by John Villaseno, a senior fellow at Brookings and a professor of electrical engineering at UCLA.

That will enable shadowing people’s movements and communications that took place before the individuals became suspects, he says.

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