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 ...

Working at the Polsky Center for Entrepreneurship and Innovation’s Fab Lab, I meet a lot of people with ideas. Part of my job is helping entrepreneurs create the prototypes they need for their ...

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.