Third as many as for a regular bulb.
10. 1 to change it and 9 to say they could have done it better.
Two, one to change the light-bulb, and one to observe how it symbolizes an incandescent beacon of subjectivity in a netherworld of cosmic nothingness. This is courtesy of Spencer Reid.(CM)
None. They aren't about to change a bulb when flipping a switch has worked for 15 years.
One, but the light bulb has to want to change.
