The document outlines a timeline of key events in the history of the iPhone from its launch in 2007 to the release of the iPhone 6 and 6 Plus in 2014. It details the release of new iPhone models each year along with important features and sales milestones such as the sale of the 1 millionth iPhone within 74 days of launch and over 10 million iPhone 6 and 6 Plus models sold in the first weekend. The timeline shows the iPhone's evolution over the years from its original launch to becoming one of the most popular and best selling phones worldwide.