제 목    yNIAmBPamoFcMln 이 름    Emerson 날 짜    2018/06/29 조 회    9 I'm retired student loan alliance According to the researchers, teens may be concerned not only about advertisers and companies tracking them, but their own parents as well. A 2009 Pew survey indicated half of parents of teen cell phone owners said they used the phone to monitor their child's location in some way.