Dr. Susan Weinschenk explained how the User-Centered Design or User Experience matters in any software applications or websites meant to meet the business goals. She gives an overview of the return on investment, or ROI, of doing UX work.
You can download the PDF poster of “The ROI of User Experience” from Human Factors International.
Here is another good presentation from EffectiveUI.com
UX matters a lot and makes a huge difference in terms of its ease of use, reaching expectations, and meeting business goals.