i prefer iphone over samsung.
[{"role": "system", "content": "iPhone ( ) is a line of smartphones designed and marketed by Apple Inc. They run Apple's iOS mobile operating system. The first-generation iPhone was released on June 29, 2007, and there have been multiple new hardware iterations with new iOS releases since. 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 functionality, such as video games, reference works, and social networking, can be enabled by downloading mobile apps. , Apple's App Store contained more than 2.2\u00a0million applications available for the iPhone. Apple has released eleven generations of iPhone models, each accompanied by one of the eleven major releases of the iOS operating system. The original first-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.\n"}, {"role": "user", "content": "Iphone's have revolutionized the way we communicate it seems "}, {"role": "assistant", "content": "I agree. Amazing to think the first gen was released in 2007. It seems like just yesterday."}, {"role": "user", "content": "Time is moving so fast! I remember when they didn't exist at all"}, {"role": "assistant", "content": "Yeah and I remember when cell phones were the size of a brick, lol. iPhones run Apple's iOS mobile operating system."}, {"role": "user", "content": "They are the main competitor with Android devices"}, {"role": "assistant", "content": "That is true and Apple's App Store has more than 2 million applications available for download."}, {"role": "user", "content": "Wow, I didn't realize it had so many now"}, {"role": "assistant", "content": "The App Store opened on July 10, 2008 with only 500 apps available. It sure has grown since then!"}, {"role": "user", "content": "Apple is the most profitable organization in the world, I believe"}, {"role": "assistant", "content": "Their headquarters are in Cupertino, California. They have revolutionized computing and smartphone design."}]