"Mozilla is organizing a coding party for Sept 30 - Oct 3 at the Mozilla headquarters in Mountain View to continue moving the Daala project further forward as a working codec prototype. Anyone and everyone are welcome to come hack on things."
http://www.ietf.org/mail-archive/web.../msg00143.html
Also, Monty's blog introducing the 3rd write-up that was linked above, suggests the second stage of the TF was discovered while documenting the first, which is interesting.
http://xiphmont.livejournal.com/60856.html