Information Architecture: Where Does It Fit?

It seemed five years ago that 'information architect' was becoming a popular, fancy name for tech writer. Have all of the information architects of the late '90s morphed into usability specialists with a special emphasis on the Web? Or have they gone back to being 'learning products engineers' and 'technical writers'?

Lizak, Samantha. STC Williamette Valley (2004). Careers>Information Design>Web Design