At what age should kids be allowed smartphones? The debate is raging

As an increasing number of parents become concerned about the negative effects of social media and smartphones, the debate is raging over when kids should be allowed to have a device. Joe Ryrie, the co-founder of Smartphone Free Childhood, a movement that began over WhatsApp, discusses the topic with CNBC's Tom Chitty and Arjun Kharpal.

00:00 - Introduction
00:59 - Stat of the week
01:27 - What is Smartphone Free Childhood?
04:27 - What is the goal?
06:30 - How to reach a consensus among parents
08:14 - Smartphones in school
10:19 - What age should children get smartphones?
11:33 - How to foster a healthy relationship for kids with tech
16:43 - Smartphones vs Social media
19:09 - Addressing the criticism of bans
21:43 - China's tech bans
24:09 - Reactions from around the world
26:51 - Why now?
28:45 - Should tech companies be worried?
32:14 - Stat of the week reveal