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.

Usability testing is an invaluable research method that involves observing representative users interacting with your product to assess how easy or difficult it is to use. The key benefits of this ...

The fundamental purpose of user testing is to better understand and empathize with the core users of a digital product. Unfortunately, user testing is often an afterthought. From card sorting to ...

One thing that is certain about website creation is that no user wants to go to a site that gives them a bad experience. When a user encounters such a site, they will quickly turn away—causing you to ...