Radiolab did an episode about this in 2015: https://radiolab.org/podcast/eye-sky https://radiolab.org/podcast/eye-sky They actually did do a surveillance exper

Radiolab did an episode about this in 2015: https://radiolab.org/podcast/eye-sky https://radiolab.org/podcast/eye-sky They actually did do a surveillance experiment in Dayton Ohio in 2014: https://www.washingtonpost.com/business/technology/new-surveillance-technology-can-track-everyone-in-an-area-for-several-hours-at-a-time/2014/02/05/82f1556e-876f-11e3-a5bd-844629433ba3_story.html https://www.washingtonpost.com/business/technology/new-surve...