Why 10,000-hour rule is no guarantee to success in business

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Author Malcolm Gladwell popularised the 10,000-hour rule in which he argued that the key to achieving world-class expertise in any area was just a matter of practicing the particular skill for 10,000 hours. 

If you or your organisation wants to be great at something, then work harder than your competitor(s) in gaining or sharpening certain capabilities and you will gain a competitive advantage.