Just one. She holds it while the world revolves around her.
An e-lectron.
Those who understand binary and those who don't
Only 2, but I have no idea how you're gonna fit both of them inside a lightbulb.
Whys the lightbulb got to be white !*"
Two. One to screw it in and one to take credit for it.
Zero. Homeless people don't screw in light bulbs they screw in cardboard boxes.
I hold mine by the ears.
Two. One to hold it in place, another to rotate the universe around it.
An idiot who forgot to take it out earlier.
One. They stick the bulb in the socket and wait for the world to revolve around them!
Just one he holds it still and the whole world revolves around him. Just one but two lawyers have to explain him how to do it.