CNN Around the World December 19, 2013 17:59:00
Other companies will adopt technology. they suggest carmakers could use it to improve safety. >> your car understands you're distracted. lowering your speed and keeping you and your family safe. >> reporter: call centers dealing with public are using the software. some may consider it intrusive, but beyond verbal says app is not a lie detector test. and they admit, there are limits to what their software can reve reveal. >> what my wife said, if you need this type of software in order to understand your wife better, you're in bad shape anyway. >> reporter: maybe some voices are better left una...