1 Conduction is the transfer of thermal energy through direct contact between particles of a substance, without moving the particles to a new location.
iPhone (/ËaÉªfoÊn/ EYE-fohn) 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; 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.
On January 9, 2007, at the ]]>Macworld convention]]>, the first announcement for the iPhone was made and on June 29, 2007 the first device was released amidst large media attention and hype. If there were any remaining doubts about the phoneâs success, they were eradicated as soon as it was made available for sale.