nice of them to now actually tell us about all this. we are looking at fifty years of system development ,painful step after painful step. this cam obviously produce those crop images we have been tracking since 1980. understand that nothing else can. this viddeo is all about public disclosure and you do not need to know way better also exists. These are all techs with real chalenges, except we have been on the problems for decadess. Progress has been made and i can see it. it is just none of your business.