Ryan Gray is co-founder and CEO of SGW Designworks, a full-service product development and engineering firm featured in The Lean Startup. When developing industrial and consumer products, my team ...

Opinions expressed by Entrepreneur contributors are their own. Working on a new product is always an exciting and risky process, even when you have all the data suggesting that the product is a win.

Every business venture starts with a unique idea and a vision to provide the market and its consumers with a product they not only need but desire. However, ideas alone aren’t enough to impress ...

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.