Two. One to hold the bulb and the other to rotate the planet.
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So I went - and I got it.
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Three:
One to write the light bulb removal program,
one to write the light bulb insertion program, and
one to act as a light bulb administrator to make sure nobody else tries to change the light bulb at the same time.
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None. They will never find a bulb that burns as brightly as the old one.
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Well, first let's talk about the concept behind this whole "light bulb" thing.
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