Who remembers being in a car without a seatelt on. Maybe it felt adventurous, freeing, I don't know. But imagine I now say to you, "Okay, but now you have to take those kids all the way down to London without a seat belt." How do you feel now.Do you feel unsafe, worried, [snorts] maybe a little bit scared. And what about now. How does this photo make you feel.Now, I do not want you to be scared about smartphones. I'm actually very anti-fear-mongering. But just like cars are not good or bad, I believe that w ...