How do people survive without cell phones in this world

In this new era of high-tech information technology, cell phones have become an indispensable daily necessity for people. However, divided by age groups, youth and teenagers with smart phones account for the extreme majority of the population. We can be in the public *** places such as waiting for the bus, pedestrian street, etc., can see many young, teenagers people look down at the phone, some even driving also play with the phone, become a traffic safety hazards. But our parents generation, grandparents, grandparents generation, the younger generation of children, etc., is the world rarely have a cell phone, they are still surviving, their recreational activities in different ways, some like to play mahjong, square dancing, the children are focused on learning. Recently, we advocate not to fill the dining table with cell phones, is to warn people that cell phones can sometimes bring bad things to people.