Because information architects design online environments, communities often form online as well (for in-person communities, see Cocktail Hours at the IA Wiki). Here is a small sample of online communities which in turn link to many other resources.
IA Slash is a news site for information architects that encourages comments and postings from readers
Blogs (chronological records of thoughts and links) written by information architects, from a list on the IA Wiki
“If we cannot survive all the information that we're going to develop, we're in real trouble. Because no one is going to stop writing books. No one is going to stop creating information.”
Brian Lamb, founder, chairman, sometimes anchor of C-Span