“A child of that age doesn't need a mobile phone”: is' banning 'a smartphone until high school a good idea?

Every parent struggles with it: from when should a child get a smartphone? In Ireland, the parents of eight primary schools have taken the plunge. No smartphones for their children until they are in high school. A ridiculous experiment? Or should we follow? Two of our experts are responding. “At first, we thought the age of a first smartphone was nine years.”