I am not convinced that using cellphones while driving should be allowed. If you use cellphone while driving, you will be absorbed in it and lose your concentrarion. When you lose your concentration, it can be more dangerous to strike people or something. In fact, there are many traffic accidents which is caused by drivers using cellphone while driving. It's no use regretting it after it's happened. I think that we should stop driving and use cellphone at places which is not in someone's way.