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The Dark Knight's Sonar-Based Citywide Surveillance System

Jorge Herrera · 1 min · 2015 · YouTube title: The Dark Knight - High Frequency Generator Scene
Why it's here

Used as a pop-culture analogy for mass surveillance technology that now looks plausible.

What it covers

Clip from The Dark Knight in which Batman uses a sonar-based system that turns phones into a city-wide surveillance network.