Some of the world's business and political elite will meet next week in Davos to discuss, amongst other topics, the issue of inequality.

But who are these super-rich? Why do they exist and should we be worried about them?

Julia Margot of Demos and global editor-at-large at Thomson Reuters, Chrystia Freeland discuss how economic changes in the world have benefited the super-rich and makes us want what they have.

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