We're now talking about uses for OPML: project management, book management, APIs, knowledge management, vertical market use for OPML (including real estate, healthcare, legal etc.). 
Pito is discussing OPML namespaces, Mike has given us a talk on RSS namespaces and their possible applicability in OPML, and Matt Terenzio is talking about SSE. We're also talking about RDF, but it's going far above my head. 
We're done. This was really good fun, and fired off lots of great ideas. 
