A product prototype is the initial or simulated version of an item, created to test and validate ideas with stakeholders such as customers and users, which can be planned in a flowchart maker. In ...

Building hardware is rarely a straight path from idea to finished product. Most teams begin with a rough concept, test ...

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.