Cloud sync of plugins/tabs. Pocket, filesharing between devices, their VPN nobody uses, Firefox monitor integration, earlier updates (i.e. you can still get the

Cloud sync of plugins/tabs. Pocket, filesharing between devices, their VPN nobody uses, Firefox monitor integration, earlier updates (i.e. you can still get the latest build by building from source, but prebuilt libraries first get supplied to Firefox pro),... Basically all the stuff they have acquired over the years, with few users but large support requirements. These are just the ideas I came up with in the spot