commercial factors influence lots of things, right? >> yes, absolutely. >> it's amazing. this was done not for any reason for those two holidays, it was to lengthen the christmas shopping season. i have a general theory about holidays, especially christmas, and that is there are three-layer cakes. the first layer is the seasonal celebration that people have had from early times, so you have a spring party, you have a fall party when harvest is done and you have mid-winter parties. the second layer in the three-layer cake is religions or nations, but in this case christianity comes along and puts a celebration of jesus' birthright on top of an already existing mid-winter party. and then the third level is modern popular culture and all the weird things that it might do to a holiday. and we know one of the major things there is commercialization. >> yeah. and something else you point out