It’s not often that the worlds of tech and politics collide in such a visible and symbolic way. But on the night of Donald Trump’s victory in the 2016 election, a photo emerged of Elon Musk, the billionaire CEO of Tesla and SpaceX, and his father, Errol Musk, both in celebratory mode—marking a notable alignment of the Musk family with the Trump family. But what does this moment tell us about their relationship, and why did it make headlines?