I have become a user experience fanatic. It is one of those areas where I am personally putting in a lot of time to learn fundamentals. For those who are wondering what User Experience (UX) Design is:
UX design is how a website or piece of software works, how humans interact with it, the information architecture, usability, etc. If done incorrectly, the user feels frustrated, cannot find the right buttons or does not go where he/she is supposed to. To counter this, UX designers use sound, colors, architecture and visual layouts to ensure the user completes a required action.
The best picture that I have ever seen describe this principle is: