Even the most skilled developers and product designers can’t always know exactly what their users want. Software prototyping provides a functional proof-of-concept mock-up that identifies missing ...

Ryan Gray is Co-Founder and CEO of SGW Designworks, a product engineering and design firm featured in The Lean Startup. It’s very common for a prospective client to come to our product development ...

Over the years, we’ve learned that new games are much more likely to succeed if a more dependable, iterative mobile game prototyping method is followed. One of our strategy's core values at justDice ...

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Robust testing and evaluation processes are important for learning from both the successes and the failures in prototype development. Dr. John Granier, chief engineer of munitions and energetics at ...

Opinions expressed by Entrepreneur contributors are their own. Amazon Fire Phone, Google Glass, New Coke and Nintendo’s Virtual Boy: What do all these products have in common? They didn’t sell.