For all of you rushing to get RFID pouches, lining you hats with extra aluminum foil and considering disguising yourselves from the cameras, Princess does not care where you go or what you do unless you are doing something against the rules. They are collecting metadata which gives them an idea of venue attendance, etc. I believe that is how dining venues like Bistro Sur La Mer are removed. I also think that it is used in decisions on stocking provisions and drinks. Trust me, there isn't a secret deck where thousands of employees are sitting in front of computers watching your every move/