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Nowadays, there are various types of modern devices that facilitate humans' life, among which I like smartphones the most. Normally, a smart phone is a cell phone with a touch screen, but it is far smarter than a mobile. Smartphone is the device that I like best because it is small and portable, yet can offer many helpful functions for users. While a cell phone just enables communication regardless of distance, a smartphone can do much more than that. Not only can it help people make phone calls but it also can give them access to the internet with ease. On smartphone, people can read newspapers, play games, search for information to learn and work,… and so on. Moreover, it is easy to use a smarphone because it is designed to understand humans' commands with just a simple action – touch. To conclude, I think smartphone is really a useful device in modern life.