The demo quickly covers:
- normal object persistence
- using persistent objects with Allegro Prolog
- persistent data structures (maps, sets)
It is not very technical, which disappointed me.
You can watch the screencast here.
The presentation is about 20 megabytes in size, so you need to wait quite a while before it starts playing (I downloaded the SWF file to disk and played from there). It lasts about 24 minutes.