None. Bill Gates will just redefine Darkness® as the industry standard.
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Two — one to screw it most of the way in and the other to give it a surprise twist at the end.
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"A complex world demands complex hair."
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Billllyuns and billllyuns. Light bulbs are part of the interstellar "goo" that pervades our universe; they are star stuff.
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Snow balls!
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