In response to Chris McGovern: Ban mobile phones in the classroom. The chief inspector is right, Bogbrush wrote:

I’ve no idea how this is even a discussion. I know what it’s like talking to offspring if they have a mobile to hand, how on earth anyone can run a class with them in is beyond me.

You make very interesting points on the broader subjects of long-term effects on the brain. I find the temptations of Facebook & Twitter seem to either exacerbate or indulge extremely narcissistic behaviour. I’m very glad I have accounts on neither.