Silicon Valley tech firms are renowned for their unique, if not off-kilter, hiring practises – weeding out the candidates they want from those they don’t.
To get the right hires, Elon Musk, Founder of SpaceX and Tesla, historically relied upon an abstract geographical question, asking interviewees: “You're standing on the surface of the Earth. You walk one mile south, one mile west, and one mile north. You end up exactly where you started. Where are you?”