There is a certain "herd immunity" to social interaction to the point that nowadays taking down your phone or your book will not make a difference. It's probabl

There is a certain "herd immunity" to social interaction to the point that nowadays taking down your phone or your book will not make a difference. It's probably not caused by smartphones and media, but they have facilitated the trend. There used to be a time when constantly looking at a smartphone was the odd one out. Now it's the reverse.