How do you close the gap between I wonder and I know? You make a prototype. A prototype is a tool that gives you a chance to investigate your ideas and explore what could, should, or would come next, ...

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 ...

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.

If you're building a product for your new business, you'll first need a solid prototype. This will help you better visualize your concept and start getting necessary feedback from customers or peers.

One of the most famous prototypes of all time was born in my home state of Ohio. While soft sand and privacy made the beaches of North Carolina an ideal testing ground for their invention, Orville and ...