The success of Web 2.0 and the popularity of mobile applications has revealed an important fact. Having an engaging or otherwise compelling user experience is critical to an application's success. Given a choice, people will replace an application they find difficult to use with something that's easier; even if the replacement doesn't do everything the original did. Some businesses bring in professional User Experience Designers in an attempt to deal with this issue. The problem is that most designers don't actually write code, and running code is the key factor in determining what kind of user experience your customers have.
That's why it is critical that you understand the principles and fundamentals presented in this talk. You'll leave with a better handle on what user experience is, and what you can do to ensure your application delivers the best possible user experience to your customers