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.

Video is an incredibly powerful tool and an increasingly accessible one. Do you need a perfect works-like-looks-like prototype to create an effective video sell sheet? No, definitely not. Video is ...

Whether you are developing a new title in a pre existing franchise or creating something entirely new, the process of prototyping is an important stage to ensure that the base concept is not only one ...

On Wednesday, a collaborative whiteboard app maker called “tldraw” made waves online by releasing a prototype of a feature called “Make it Real” that lets users draw an image of software and bring it ...