This is the ‘final’ version of the Architectures for Conversation talk. Hence the (ii) appended to the title.
Speakerdeck is struggling to work as an embed here, so I recommend grabbing the PDF.
This was a version that I presented at Philly CHI (Philadelphia chapter of the Computer-Human Interaction special interest group of ACM), at the U. Penn campus.
Most of it is the same thing I did at the IA Summit in Vegas a month ago, but there are some new slides and some more content, especially about how User-Experience Communities of Practice fit together, and what I mean by “Infospace.”