Nowadays having a cell phone is becoming a common thing. I think that it is a good idea to have one because if you have a problem with your car, you can immediately call someone to help fix it. However, I think it is nonsense to have long conversations while driving because, of course, you don't pay full attention to driving. You should concentrate on driving. It my country, it is not allowed to talk by cell phone and drive. People who do that get tickets, but many people don't obey the law and get away with it. They don't get tickets.