The mobile phone and I

The mobile phone has many convenient functions, but I don't master it at all. Usually I seldom use the mobile phone. Young people are flexible in their thinking, so they can accept new ideas and new values quickly. On the train I am impressed by their fingering on the mobile phone. I always pull back when an unexpected device comes up. For example, I was surprised at the advent of the computer. Several years passed, at last I started touching the computer. In my mind, I understand the world is changing rapidly and the progress of technology has made our life far more comfortable, and I have to catch up with times. But, but....