more than they're using them for calls. texts is the most popular data function. a recent survey finds the average teen sends 1500 texts a month and a third of them, texting while driving. so parents, you can stop that dangerous habit just like a cold or can you? >> tech expert katie linen doll is live from new york. good to see you. >> it seems every kid is texting, adults, too, but we don't want our kids texting while driving. let's begin with something called a text blocker. what is it? >> exactly. well, it's a deadly combination and very popular in the news right now and rightfully so. what it's all about is text blocking applications and what they do is they utilize the gives in your cell phone and after you go a certain mile per hour they will block you for texting while driving, but the cool part about it is is there's an array of options available and depending what your phone is and what it's compatible with.