It took our industry a number of years to fully understand how important user experience (UX) is to everything that we build. Now that we can measure and confirm the relationship between good UX and successful websites, UX skills are in high demand: PayScale shows a median wage of about $41k for web designers, $50k for web developers and $77k for user experience designers.

At its heart, UX design is about effectively addressing the needs and circumstances of your users, to produce an interface that is comfortable and even joyful to use. As if that wasn’t enough to tackle, your users’ needs are always changing, as people continually evolve their expectations and technologies.

We’ll use this lesson to look at the underlying ageless principles behind a great user experience.