One, but there are FOUR LIGHTS!
I don't know, because they charge you $500 for the iLightbulb.
CHANGE !
one, but it takes 32 lightbulbs.
How many pessimists does it take to change a light bulb? None - it's probably screwed it too tight anyhow!
They don't work in the future either.
A: Space. The final frontier..........