Start-ups make so many mistakes that the challenge to identify the root cause of a failure is tough. But believing in your own plan is probably the worst.
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About Eric Ries
Eric Ries was American entrepreneur. Eric Ries is an American entrepreneur, blogger, and author of The Lean Startup, a book on the lean startup movement. He is also the author of The Startup Way, a book on modern entrepreneurial management. Read more on Wikipedia →