Billionaire investor Ray Dalio has written an updated version of his famous Principles. At face value his ideas are strange, but when one sits with them they start to make a great deal of sense.

In this TED Talk, Mr Dalio discusses how radical transparency and honest (but not brutal!) feedback became a pillar supporting the world's largest hedge fund.

You'll also learn how Bridgewater uses data and algorithms to create an "idea meritocracy". It's an interesting look at the future of work.