.@eclipseventures Founder & CEO Lior Susan says the reason SpaceX will have a successful IPO is because they operate in a category defined by difficulty. "The reason SpaceX can have that type of an IPO is because they solve something that is really, really hard. So it's really, really hard for the second person to solve that same problem as well." "I think the reason you'll see a correction in the SaaS world is because you had a lot of companies where entry is easy, but the TAM is not too big…