Davos 2011: Who needs a World Economic Forum?

Image caption, The Congress Centre in Davos has been extensively rebuilt for this year's event

Every year some of the world's most powerful people come to the World Economic Forum (WEF) in Davos.

It's quite a trek to this remote valley in the Swiss mountains, so what's the draw? Tim Weber, the business editor of our website, explains:

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Image caption, It's the 41st annual meeting of the World Economic Forum

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Image caption, Bono is a WEF regular