Yahoo applies for patent on mass surveillance system the Soviets would envy

http://www.extremetech.com/wp-content/uploads/2016/10/KGB-Building-768x424.jpg 768w, http://www.extremetech.com/wp-content/uploads/2016/10/KGB-Building-640x354.jpg 640w, http://www.extremetech.com/wp-content/uploads/2016/10/KGB-Building-106x59.jpg 106w, http://www.extremetech.com/wp-content/uploads/2016/10/KGB-Building-672x371.jpg 672w, http://www.extremetech.com/wp-content/uploads/2016/10/KGB-Building.jpg 1225w" sizes="(max-width: 300px) 100vw, 300px" />Yahoo has applied for a patent on a new mass-surveillance advertising method that would embed sensors and monitors into billboards, signs, and other advertisements. If you can see an ad, it can