I dunno, it is done in China to monitor everything. http://www.mirror.co.uk/news/world-news/china-installs-20-million-cameras-11241727 http://www.mirror.co.uk/n

I dunno, it is done in China to monitor everything. http://www.mirror.co.uk/news/world-news/china-installs-20-million-cameras-11241727 http://www.mirror.co.uk/news/world-news/china-installs-20-mi...