#26466
Information Layering: Providing Need-Based Information 
Information Layering is not new, but it has acquired a new dimension through modern technical and interactive possibilities. Even as of now, this technique can be used to make HTML-help considerably more user friendly.
Achtelig, Marc. indoition engineering (2005). Articles>Documentation>User Centered Design>Online
#27654
Non-Fatal Errors: Creating Usable, Effective Error Messages
It's often easy to identify what kinds of error messages don't help users, but it can be tricky to avoid them, and even more of a challenge to create the opposite: error messages that give users a clear indication of the problem, offer information to help them fix it, and provide tips on how to avoid the same situation in the future. This paper details the steps involved in creating understandable, helpful error messages, and suggests ways of communicating the value of good error messages to managers and executives.
Wilska, Emily. WritersUA (2004). Articles>Documentation>User Centered Design>Online
