Danger of using smartphone

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A smartphone (or smart phone) is a mobile phone with an advanced mobile operating system. They typically combine the features of a cell phone with those of other popular mobile devices, such as personal digital assistant (PDA), media player and GPS navigation unit. Most smartphones have a touchscreen user interface and can run third-party apps, and are camera phones. Smartphones from 2012 onwards also have high-speed mobile broadband 4G LTE internet web browsing, motion sensors, and mobile payment mechanisms. In 2014, sales of smartphones worldwide topped 1.2 billion, which is up 28% from 2013.

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