Often branded 'the movie of a generation', this poster is iconic. The puppeteer logo, taken directly from Mario Puzo’s book ...

We've seen plenty of designers' unique takes on iconic logos, but here's one project that draws a line under the rest. French designer Stephane Leopold, co-founder of Loooop, a creative studio ...

and other companies spent creating their logos. But you'll be surprised which companies spent millions and which spent the cost of a movie ticket on their iconic images.

The answer seems to be that it depends on the brand, the logo, and the circumstances. An infographic (below) from DesignMantic examines how iconic brand logos have changed over the past 100 years, ...