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 ...

It’s been a while since I promised to write top five unit testing tips, so I guess I should better start writing #2. As with my first example this one is based on a real-life story. Your code is worth ...

When development teams have spent months building a new tech product or feature for the market, they’re likely fully aware of, and sold on, its capabilities and value. But that’s not enough. To ensure ...