Blu-ray disks can hold 25/50GB of data as storage devices. These can be written and read by the Finder in the same way as DVDs given a suitable Blu-ray drive. Playing encrypted commercial movies requires an app, the free options available are not very good so Tony demonstrated a commercial option. The presentation ended with demonstrations of a commercial Blu-ray movie playing and reading from a BD-R disk previously written by the Mac.
After Q&As and a refreshment break, Mick discussed the variety of settings required by your ISP to send and receive email both at home and away.