iPhone
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 iPhone facts

• They run Apple's iOS mobile operating system
• The first generation iPhone was released on June 29, 2007; the most recent iPhone model is the iPhone 7, which was unveiled at a special event on September 7, 2016
• The user interface is built around the device's multi-touch screen, including a virtual keyboard
• The iPhone has Wi-Fi and can connect to cellular networks
• An iPhone can shoot video (though this was not a standard feature until the iPhone 3GS), take photos, play music, send and receive email, browse the web, send and receive text messages, follow GPS navigation, record notes, perform mathematical calculations, and receive visual voicemail
• Other functions—video games, reference works, social networking, etc
• —can be enabled by downloading mobile apps
• As of June 2016, Apple's App Store contained more than 2 million applications available for the iPhone
• Apple has released ten generations of iPhone models, each accompanied by one of the ten major releases of the iOS operating system
• The original 1st-generation iPhone was a GSM phone and established design precedents, such as a button placement that has persisted throughout all releases and a screen size maintained for the next four iterations