The iPhone can be an Apple phone which was launched in the January 9, 2007 Expo & Macworld Conference. The iPhone is smart phone that works like camera phone, being an iPad, PDA, and it has WiFi access that is applied to get into and see the Web having its widescreen display.

The iPhone runs the iOS developed by Apple for portable devices. It allows the iPhone to run “apps,” or applications developed particularly for the iPhone. Apps can be downloaded from Apple’s App Store, which can be accessed via iTunes or directly from the iPhone’s fixed App Store app.

There are thousands of apps available from the App Store, which provide the iPhone with boundless functionality.

The iPhone 4 also includes a 960 x 640 pixel “retina display,” which has double the resolution of old version of iPhone displays.

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Alexander Graham Bell (March 3, 1847 – August 2, 1922) was a Scottish-born scientist, inventor, engineer, and innovator who is credited with patenting the first practical telephone.