If you make your living working on the web then you’ve most likely heard of the terms, user experience, usability, human factors, user interface, etc. And for the most part, the terms all have something to do with making it EASIER for the end user to interact with a web page or application.
The folks at Human Factors International, a usability consulting firm, have recently put out a little video describing the differences between usability and user experience (video of Eric Schaffer is on the homepage), which I think is an important distinction if you’re into geeky web stuff.