/TECHAuthor Peter Gray challenges Jonathan Haidt's smartphone-centric theory on the teen mental health crisisTYAGGray blames the decline of unsupervised, independent childhood play.Combined views1232 posts, first seen 6h ago14 repostsDigg DeeperAsk a question below.Published answers will appear here.Author Peter Gray challenges Jonathan Haidt's smartphone-centric theory on the teen mental health crisisTYAGGray blames the decline of unsupervised, independent childhood play.Combined views1232 posts, first seen 6h ago14 repostsDigg DeeperAsk a question below.Published answers will appear here.