It's not a bulb it's a globe.
One. They simply hold the bulb and wait for the world to revolve around them.
A hundred but they'll all be competing to be the one to change the bulb and bring light to the world.
Flat as a board, skinny as a nail and easy to screw.
Wanna go ride bikes
A lot, apparently. Have you seen their new building?
100. 1 to change the light bulb and the other 99 to complain about how the old light bulb was much better.