Multi-page Murals (via Tabs)
Sometimes your mural canvas is very big. While in the workshop you discuss during the day multiple different elements of information.
To assure that everyone keeps focus, it would be nice to split your canvas in multiple pages, that can be accessed via Tabs.
That way everyone can focus on the information relevant for each exercise.
I also believe it will help to keep good performance (I have seen slower performance with large audience in large canvasses)