The smartphone is useful. But in school, it impacts social interaction and the concentration of pupils. Therefore, more and more countries ban the device from the classroom.

The gap between generations is shrinking rapidly. The world is changing and that has a significant impact on the younger generation.

Would you let your child go to Mars for a new experiment? Probably not. However, many parents do not hesitate to give their children a smartphone before they are 10. And that too is an experiment of which the results are only just coming in. Five lessons about the smartphone from professor Jonathan Haidt's new book "The Anxious Generation".

We should not allow a harmful product to become a social requirement, Brad Littlejohn argues.

Let’s talk about it! Sooner or later, every family with children will face the question of how much screen time to allow. When? With what content?