Well that one word also applies to valuation as well, exploding is something an App doesn't need to worry about. The failure opportunities for Space X are much

Well that one word also applies to valuation as well, exploding is something an App doesn't need to worry about. The failure opportunities for Space X are much more crippling and public in scope. They are operating in a very risky technology area and it may be that its hard to get investors to just throw money at it.