The following content is in the user-centered-documentation category:

Recording of Tech Comm Trends Presentation (STC Puget Sound chapter)

My documentation takeaways from the Boeing disaster -- two essential doc questions to ask for any project

How to motivate users to provide feedback: Show that you're listening to their input

The key to writing good documentation: Testing your instructions

How to design documentation for non-linear reading behavior

User-centered documentation slides

New series: User-centered documentation