I live in NYC and see the same thing. Many people seem to be reading emails in addition to the other stuff. For me being on the subway is quiet time for me to

I live in NYC and see the same thing. Many people seem to be reading emails in addition to the other stuff. For me being on the subway is quiet time for me to think about software projects. When I give my mind a chance to wander I come up with good solutions to problems or new ideas to try. I have no interest in taking out my phone and ruining that.