The smartphone replaces the handheld computer

Smartphones are similar in user interface and operating system while a desktop computer rather than a traditional phone with its comparatively rigid menu structure. Moreover, they allow the uploading of its own software - that has meanwhile called "Apps" enforced. A smartphone is now - especially since the introduction of the iPhone - usually with a touch screen equipped for the control of a finger, some devices offer a QWERTY keyboard. Occasionally there are also variants with a combination of the two input techniques - which increases the comfort. The used to often control the touch screen and stylus, however, is the way out

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