Looks like Apple is already prepared for the ban on incandescent lights (the old fashion light bulbs).
In the Energy Saver preferences for OS X 10.5.7 they have replaced the bulb icon with and icon showing the compact fluorescent light (CFL). But why CFL and not LED, which is even more efficient and doesn't have Mercury in it?
Spot the difference in the screenshots:
Will others follow? No more "incandescent" WB setting in cameras and imaging software?