The world without these billionaires...unthinkable?

Richard Branson, Mark Zuckerberg, Bill Gates and Donald Trump. These are the names of some of the world's most powerful and richest businessmen.

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With the billions these men earn, have you ever wondered what they have done for society and the world to get them to where they are?

A unique advertising campaign for  Forbes Brazil has presented an interesting way to look at the world's richest men.

The campaign, which was created by Ogilvy & Mather São Paulo, won a Gold CLIO Award for its creative and humourous presentation of the world's most well-known billionaires.