Here's how your iPhone home screen has changed through the years (AAPL)

Apple's mobile software has changed a lot since the first iPhone was unveiled in 2007. Most people remember the polarizing flat design of iOS 7, but it can be tough to remember all the little changes that happened throughout the entire evolution of Apple's iPhone software. From the first time Apple announced the App Store to the unveiling of Siri, here's how the iPhone's homescreen has changed through the years. iPhone OS 1.0 Apple unveiled the original iPhone on January 9, 2007, and Steve Jobs...