This blog post here…
…linked to an article about the nature of chat in virtual worlds, and how, for instance, trying to improve the experience related to it is harder than people might think, but that people still NEED to have in world chat that works.
Actual article is here:
Grrrrrr… and why have they STILL not fixed the dang forum-bug that does NOT NOT NOT let me copypaste a title INTO the Topic field? oO