. >> joel feldman and diane anderson know it firsthand. six years ago, their 21-year-old daughter casey was hit and killed by a distracted driver. since then, they've made it their mission to help prevent this from happening to anyone else. >> casey's crash was in 2009. it was broad daylight. she had had a summer job in ocean city on the board walk. she was walking in a crosswalk, was three quarters of the way across the intersection, when a driver blew through the stop sign and literally ran her over. he claims he'd never seen her. she was conscious after she was run over. she was able to speak with the emergency responders, and the they asked her how the accident mom." >> i was shocked. i was angry. i think that then, of course, it led into grief, . although it's been six years, it's just really, really hard each and every day. >> beside being a young woman who was so full of life, she was also just a lot of fun and had a great sense of humor, and she was a person everybody wanted to be around. >> i go to weddings now, and they're as pai

diane anderson and joel feldman for sharing that story with us. >> jennifer jolly is here with strategies to prevent distracted driving. as more people hit the road during holiday season. good morning. >> good morning. >> sadly, we hear so many stories like caseys and we're scasey's and we're trying to prevent that. there's technology that help with this problem. drive mode app from at&t. a lot of the carriers are putting into place these apps. >> all the major carriers have some system in place to savav us from ourselves. that app, and as soon as you do, the minute you get in your car, any time you go over 15 miles an hour, the message pops up. it can wait. it blocks incoming texts and the folks sending you a text will get a message on their screen. you can makeet so you can still dial emergency contacts, stream your music or access navigate apps. they'll get an auto reply. i'm driving, i can't talk now. verizon has something similar. set the message in the settings inside your phone. you don't download an app. you can customize the message that goes out. hey, i'm driving. i can't talk r