If you're entering anything where there's an existing marketplace, against large, entrenched competitors, then your product or service needs to be much better than theirs. It can't be a little bit better, because then you put yourself in the shoes of the consumer... you're always going to buy the trusted brand unless there's a big difference.

Generally, the view that I've had on Twitter is if you're on Twitter, you're in, like, the meme - you're in meme war land. If you're on Twitter, you're in the arena. And so, essentially, if you attack me, it is therefore OK for me to attack back.

It is true that SpaceX is partially a government contractor, but it would be unfair to say that SpaceX is entirely a government contractor.

Elon Musk Quotes