Ani Miller-Martinez, 10, watches a video during her 15 minutes of computer time at her home in San Jose, Calif., on Wednesday, Dec. 14, 2016. A recent survey of 1,700 parents, by San Francisco-based Common Sense Media, found that parents of teens and 'tweens spent more than nine hours a day on screen media, including seven hours 43 minutes for personal use.
Ani Miller-Martinez, 10, watches a video during her 15 minutes of computer time at her home in San Jose, Calif., on Wednesday, Dec. 14, 2016. A recent survey of 1,700 parents, by San Francisco-based Common Sense Media, found that parents of teens and 'tweens spent more than nine hours a day on screen media, including seven hours 43 minutes for personal use. Josie Lepe TNS
Ani Miller-Martinez, 10, watches a video during her 15 minutes of computer time at her home in San Jose, Calif., on Wednesday, Dec. 14, 2016. A recent survey of 1,700 parents, by San Francisco-based Common Sense Media, found that parents of teens and 'tweens spent more than nine hours a day on screen media, including seven hours 43 minutes for personal use. Josie Lepe TNS