▁of ▁the ▁Domain ▁A war eness ▁System , ▁which ▁is ▁an ▁inter connected ▁system ▁of ▁sens ors ▁including ▁ 1 8 , 0 0 0 ▁C CT V ▁cam eras ▁used ▁for ▁contin ual ▁surve ill ance ▁of ▁the ▁city ▁by ▁both ▁police ▁officers ▁and ▁artificial ▁intelligence ▁systems . ▁ ▁In ▁the ▁United ▁Kingdom , ▁the ▁vast ▁majority ▁of ▁video ▁surve ill ance ▁cam eras ▁are ▁not ▁operated ▁by ▁government ▁bodies , ▁but ▁by ▁private ▁individuals ▁or ▁companies , ▁especially ▁to ▁monitor ▁the ▁inter iors ▁of ▁sh ops ▁and ▁business es . ▁According ▁to ▁ 2 0 1 1 ▁Fre edom ▁of ▁Information ▁Act ▁requests , ▁the ▁total ▁number ▁of ▁local ▁government ▁operated ▁C CT V ▁cam eras ▁was ▁around ▁ 5 2 , 0 0 0 ▁over ▁the ▁entire ty ▁of ▁the ▁UK . ▁The ▁pre val ence ▁of ▁video ▁surve ill ance ▁in ▁the ▁UK ▁is ▁often ▁over st ated ▁due ▁to ▁un re li able ▁estimates ▁being ▁requ oted ; ▁for ▁example ▁one ▁report ▁in ▁ 2 0 0 2 ▁ext rap ol ated ▁from ▁a ▁very ▁small ▁sample ▁to ▁estimate ▁the ▁number ▁of ▁cam eras ▁in ▁the ▁UK ▁at ▁ 4 . 2 ▁million ▁( of ▁which ▁ 5 0 0 , 0 0 0 ▁in ▁Gre ater ▁London ). ▁More ▁reliable ▁estimates ▁put ▁the ▁number ▁of ▁private ▁and ▁local ▁government ▁operated ▁cam eras ▁in ▁the ▁United ▁Kingdom ▁at ▁around ▁ 1 . 8 5 ▁million ▁in ▁ 2 0 1 1 . ▁ ▁In ▁the ▁Netherlands , ▁one