In the only track of the afternoon, Noury Bouraqadi presented Ubiquitalk, a P2P system to connect disparate system, in order to create a network where different nodes can offer different services. Ubiquitalk has been built on top of Squeak, and relies on the rST (Remote Smalltalk system) for remote message sending.
Ubiquitalk is a the moment a research software, but the developers are trying to move it to real world software.
The Weekly Squeak 