The iPhone was fantastic when it was released in 2007. A lot has changed since then.
By Rachel Metz
Why: Despite its lukewarm performance in social media, Google’s willingness to move into new areas shows it can still be an agenda-setter.
Key innovation: The introduction of Android 4.0 (also known as “Ice Cream Sandwich”), with its crowd-pleasing interface, confirms the company’s position as a major force in mobile computing.