it. some hotels are actually selling a small washable microchip into their towels, sheets and bathrobes. if you walk off with it, you sort of buy it. want to bring in katie lennon now. katie, how is this thing going to work anyway? >> yes, you want to think twice about that five-finger discount. if you walk off with that luxurious bathrobe or towel, chances are some hotels are implementing a tag right inside there. so, in other words, that is tracking technology that will actually track that you have taken it. you might be saying, well, that's kind of cheap on the hotel's part, right? get this. one of those towels could cost around $8 to $9 apiece. and one hotel that has implemented that tracking technology has gone from 4,000 towels take an month down to 750, saving them $16,000. so, that's a lot of money and we talk about linens that people