The four interlocking rings of the Audi logo is one of the most recognisable symbols of the car world. It represents the brand's heritage and cultural history, but it's gone through some controversy ...

The YouTube logo history and evolution provides a lesson in restrained design.

In 1977, with dozens of fires set daily and tourism in freefall, New York hired an artist to save the city. His infamous sketch in the back of a yellow cab became the most imitated logo in history—and ...