38 minutes after the hour now. with less than a week to go before christmas. las last-minute shoppers are pulling out the stops, and many people using their smartphones to compare instore prices to prices online and other brick and mortar outlets trying to find the best deal. >> it's pretty cool. saves you some of the driving, actually. what app fits you best? joining us now is our tech expert. good to see you this morning, katie. there are a bunch of them out there. the fine red laser, amazon has one now, as well. and what you basically do is -- and we're going to show it here. i have my iphone, my handy device and let's say i pick red laser. all you do is actually scan -- and you have a blue tooth system. you actually find the bar code, scan it with your phone -- as you can see, i'm doing it here. and it will show you the product. and then it's searching, says online and locally. and it'll show you where you can get it. the prices range $64 another one