This is a great blog written by authors of O’Reilly’s Head First books. I bought and loved Head First HTML with CSS & XHTML and reccommend it without hesitation or reservation to anyone seeking to learn these things from scratch.
The blog has great insights into user perception and explains them well while still entertaining the reader. I mean, look at this recent graph that attempt to describe why users resist upgrades:
Love it. Useful insights for any libraryfolk who care about the user’s/patron’s experience. Also great for people in marketing, promotion, interface design, or training/education. Subscribe to their feed.