Photo: Marvin Joseph/The Washington Post/Getty Images Elon Musk is more than likely going to become the world’s first trillionaire when SpaceX goes public, but he’s not the only one for whom the IPO will be like winning a giant Publishers Clearing House check every hour of every day until the end of time. SpaceX employees are also going to see their bank accounts transformed, and in anticipation, they’ve formed a kind of union for the very rich. Bloomberg reports that more than 1,000 current