Even teens are worried about how much they use their smartphones
 

Today, the Pew Research Center released a new report on teenagers and screen time. Specifically, 54 percent of teens (aged 13 to 17) worry that they spend too much time on their cell phones. Around two thirds of parents feel their teens have too much...

https://www.engadget.com/2018/08/22/...n-screen-time/