Happy Birthday, iPhone! The smartphone is turning 10 years old today

CUPERTINO, California -- Apple is celebrating a big milestone: The 10th birthday of the iPhone.

The revolutionary smartphone was introduced to the public on June 29, 2007.

More than a billion iPhones have been sold since.

The iPhone was the first touchscreen phone and paved the way for mobile computing.

A brand spanking new iPhone 8 is set for release this fall.