"Famous pivot stories are often failures but you don't need to fail before you pivot. All a pivot is is a change is strategy without a change in vision. Whenever entrepreneurs see a new way to achieve their vision - a way to be more successful - they have to remain nimble enough to take it."
Eric Ries is an American entrepreneur and author known for developing and popularizing the Lean Startup methodology. His book The Lean Startup influenced startup practice in technology and venture ecosystems worldwide. He has advised founders and organizations on innovation management.