text: According to research cell phones are leading factors that cause accidents. Studies show that a cell phone put drivers at a four time greater risk of a crush. Despite of a danger, people still use cell phones because they want to be always available and keep in touch with other people. Also, they think that hand-free set is safe because they can drive using two hands. Moreover, they use arguments that cell phones are necessary in emergency situations. Although some people support using cell phones while driving, there are evidences that they are dangerous and people should avoid talking while driving.