welcome to the "newshour," james steyer. so just remind us, your organization looks at how young people use media. >> that's right, and how it affects their lives, how it affects them in school. then we advocate on behalf of kids in schools across the country. >> woodruff: so you did this survey. you said 2,600 people, 8 to 18. what were the findings. >> well, the sheer volume. nine hours a day on average is what teenagers spend with media and technology. that's way more than they spend with their parents, teachers, even more time than they spend sleeping. the number-one abdifficult in their life is media and technology. >> woodruff: you made a distinction between the 'tweens versus teenagers. how are they spending that time? what are they doing? >> well, first of all, there is no one archetype. there is no one-size-fits-all kid. you have kids on social media, watching tv, listening to music, even reading books, remember them? and then doing different forms of media, but the bottom line is the sheer volume of time that kids