A smartphone (or smart phone) is a mobile phone with an advanced operating system. Smartphones typically include the features of a phone with those of other popular mobile devices, such as personal digital assistant, media player and GPS navigation unit. Most have a touchscreen interface and can run third-party apps, and are camera phones. Later smartphones add broadband internet web browsing, Wi-Fi, motion sensors and mobile payment mechanisms. In February 2014, 93% of mobile developers were targeting smartphones first for app development. In 2014, sales of smartphones worldwide topped 1.2 billion, which is up 28% from 2013.

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