Say I have an app in the market and I have multiple "skins" of it out there, all using the same fundamental platform/system. Each skin points MixPanel events to the same MixPanel project. There is one thing that changes between the various skins, and that would be this master property setting. So in the dashboard I could compare/contrast easily how these different "skins" are performing. For instance, say I had an event capturing an app setup event; I could compare the # of skin A app setups vs the # of skin B app setups.
Perhaps in a v1 its not even a "geckoboard dashboard user setting", but a feature given to geckoboard admins who are setting up the dashboard. So if we wanted to copy/paste an entire dashboard, we could do this and control that one key variable via the admin control master setting (if that makes any sense).
Let me know if this helps clarify. Thanks, Brian