ELONMUSK埃隆·马斯克ElonMuskBornin1971inPretoria, SouthAfrica putercodefor$500.stayedonlytwodays,droppedoutofStanfordInMarch1999,Muskco-founded—PaypalPayPaliscurrentlytheworld'panyJustthreeyears,hird-partypayment,with110millionusersInOctober2002,PayPalwasacquiredby eBay forUS$1.5billionInJune2002,pany—SpaceXSpaceXDuringitsuncrewedmaidenflightinDecember2010,essfullyfromorbit.Dragon(spacecraft)Onlyfourcountriesintheworldtomasterthesatellitelaunchandrecoverytechnology