@CNN: More than half of all teenagers think they use their phones too much, according to a Pew Research Center survey https://t.co/kqRDuXfsad https://t.co/MfDw08NlPm

@CNN: More than half of all teenagers think they use their phones too much, according to a Pew Research Center survey https://t.co/kqRDuXfsad https://t.co/MfDw08NlPm