Varda's @zebulgar says the $1–2 trillion SpaceX IPO is about to flood the space industry with capital, attention, and talent moving into next-gen applications as people rotate out of their positions: "I like to think of space like a highway: when you first only had a handful of cars there, everybody had to bring their own gas tank. Once you get thousands of cars up there, you can start to invest in a gas station." "There are layers of infrastructure, and as you build up each layer - reusable…