Heat Mapping Technology News Today

You might be surprised to know you are get as you get ready to finish your christmas shopping, you might be surprised to unknowing push from a retailer. >> they are using all the tricks in the books to get you to buy in their stores and buy even more. there are methods used in stores you may never suspect. >> we are "up all nightline" with abcs becky worley. >> >> reporter: they can play you christmas carols, pile on the tinsel and carve out the mall santas. but make no mistake, the holiday sh...