1,000,001: One to change the bulb and 1,000,000 to rebuild civilization to the point where they need light bulbs again.
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First they have to agree on which is better; the analog bulb or a digital bulb.
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If one side has one, the other side has to get one. Once launched, they cannot be recalled. When they land, they screw up everything forever.
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I dot my i's on you!
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