Yep!
All of the principles have always existed -from the time of Adam and Eve.
The intrepretation of those principles has been varied tho--.

Most analytical data I have seen --is simply documentation of someones' earlier "cut and try".
SpyBots are really nifty -
Too damn bad that the general approach of the US design has been controlled by "whim of commitee" engineering --
Original ideas are typically poo pooed till they can be shown to actually be the result of some HMFIC's idea.
The real worry of the encroaching spy stuff is that you can't invite a plane to the Officer's club---