今天是马斯克55岁生日，下面是他的年龄战绩，他是一个极端聪明、勤奋、勇敢的人，但是，如果他不是在美国，他不可能实现这些成就，美国的社会、政府、法律机制，民间之富裕，天才之多是他的巨大成功缺一不可的要素。

Age 54: world's first trillionaire
Age 54: takes SpaceX public
Age 54: SpaceX acquires xAI
Age 54: releases Grok 4
Age 53: launches Robotaxi service
Age 53: xAI acquires X
Age 53: catches Starship booster
Age 53: unveils Cybercab
Age 53: first private spacewalk
Age 53: Colossus supercomputer
Age 52: first Neuralink implant
Age 52: launches Grok
Age 52: rebrands Twitter as X
Age 52: founds xAI 
Age 51: launches first Starship
Age 51: buys Twitter
Age 50: flies first all-civilian crew
Age 50: unveils Optimus robot
Age 49: wins NASA moon contract
Age 48: launches crew to orbit
Age 48: ships Tesla Model Y
Age 48: unveils Cybertruck
Age 48: launches Tesla Megapack
Age 47: first Starlink satellites
Age 46: launches Falcon Heavy 
Age 46: unveils Tesla Semi 
Age 45: starts Boring Company 
Age 45: opens first Gigafactory 
Age 45: founds Neuralink 
Age 45: unveils Solar Roof 
Age 45: reflies Falcon 9 
Age 44: reveals Tesla Model 3 
Age 44: lands a rocket booster
Age 44: co-founds OpenAI 
Age 44: ships Tesla Model X 
Age 43: unveils Powerwall 
Age 43: launches Tesla Autopilot 
Age 41: opens first Superchargers 
Age 40: ships Tesla Model S 
Age 40: Dragon reaches ISS 
Age 39: Dragon reaches orbit 
Age 39: takes Tesla public (IPO) 
Age 38: Falcon 9 first flight 
Age 37: Falcon 1 reaches orbit 
Age 36: ships first Tesla Roadster 
Age 35: co-founds SolarCity 
Age 32: co-founds Tesla 
Age 31: sells PayPal to eBay 
Age 30: founds SpaceX 
Age 30: takes PayPal public 
Age 27: founds X dot com
Age 27: sells Zip2 to Compaq 
Age 24: co-founds Zip2 
Age 19: sells PCs in dorm
Age 12: codes video game Blastar