Social psychologist Jonathan Haidt has just released his book The Anxious Generation in English. The book is the best-selling nonfiction book on the Amazon and New York Times charts.

His detractors criticize the lack of evidence for his arguments about mobile phones and young people. The debate among teachers has become one of the most important technological challenges of the decade, writes Rochlin. The ultimate objective of the debate is to convince legislators in the U.S. and Europe, he says.