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Smartphones are mobile devices featuring an operating system (OS) with telecommunication capabilities. Since the introduction of the Apple iPhone in 2007, smartphones have been sold worldwide, replacing most noncomputerized mobile phones. Comparable with mobile computers such as tablets, smartphones are often used as personal digital assistants. Storing a variety of personal and real-time data, they have also become objects of targeted surveillance by national security and law enforcement agencies as well as by private commercial actors.

Comparison of Mobile and Smartphones

A mobile telephone (also known as a mobile, a cellular phone, or a cell phone) is a portable device that enables its user to connect to a telecommunications network over a wireless radio link. Mobile phones are mainly used to transmit and receive spoken (voice) ...

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