A smartphone or sphone is any electronic handheld device that integrates the functionality of a mobile phone, personal digital assistant (PDA) or other information appliance. This is often achieved by adding telephone functions to an existing PDA (PDA Phone) or putting "smart" capabilities, such as PDA functions, into a mobile phone. A key feature of a smartphone is that additional native applications can be installed on the device. The applications can be developed by the manufacturer of the handheld device, by the operator or by any other third-party software developer. "Smart" functionality includes any additional interface including a QWERTY board, a touch screen, or even just secure access to company mail, such as is provided by a Blackberry.
Smartphone features tend to include Internet access, e-mail access, scheduling software, built-in camera, contact management, GPS navigation software and occasionally the ability to read business documents in a variety of formats such as PDF and Microsoft Office.
Sources
Wikipedia.com
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