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Mar 28, 2010 at 21:27 answer added Ryan Williams timeline score: 5
Mar 28, 2010 at 20:02 vote accept user4977
Mar 28, 2010 at 19:33 answer added Qiaochu Yuan timeline score: 10
Mar 28, 2010 at 19:25 history asked user4977 CC BY-SA 2.5