'digital cameras' == 'real-time intelligence' 'film cameras' == 'non-real-time intelligence' ...not a big deal untill you imagine something like ARGUS (http:

'digital cameras' == 'real-time intelligence' 'film cameras' == 'non-real-time intelligence' ...not a big deal untill you imagine something like ARGUS (http://www.extremetech.com/extreme/146909-darpa-shows-off-1-8-gigapixel-surveillance-drone-can-spot-a-terrorist-from-20000-feet http://www.extremetech.com/extreme/146909-darpa-shows-off-1-...) over your country ...now THIS has good reasons to freak you out if you're in the spy business :)