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RT @elonmusk: Millions of people needed for Mars colony, so 80k+ would just be the number moving to Mars per year http://news.yahoo.com/huge-mars-colony-eyed-spacex-founder-elon-musk-120626263.html
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RT @elonmusk: Millions of people needed for Mars colony, so 80k+ would just be the number moving to Mars per year http://news.yahoo.com/huge-mars-colony-eyed-spacex-founder-elon-musk-120626263.html
(original)