See How the iPhone Has Changed Over the Past 10 Years

Apple's iPhone has come a long way since Steve Jobs introduced it in 2007 as a combo "iPod, a phone, [and] an Internet mobile communicator." Over the past 10 years and 15 models, Apple's smartphone has taken numerous forms that can be fascinating to revisit with the benefit of hindsight as we wait for the company's new iPhone to be unveiled on September 12.

Watching the evolution of the iPhone is part mesmerizing and part nostalgic.