One, but it takes 32 lightbulbs.
One. But he gets three hours credit.
One to over hype the new lightbulb and one to make sure it breaks within a year.
Only 1, but it takes them 15 episodes to do it.
None - the lightbulb has the capacity for its own revolution
A full set of teeth
32. One to hold the bits and 31 to push the register.