Behind Elon Musk’s whirlwind of tweets and product launches lies an unexpected source of inspiration: his son, Lil X, whose playful antics often spark creative breakthroughs.

Colleagues recount Musk sketching wild concepts—like a kid-friendly Neuralink interface—after watching Lil X interact with touchscreen toys. Innovation hubs buzz with tales of Musk pausing meetings to jot down ideas triggered by his son’s questions about robots or spaceships.

This dynamic reveals a softer side of Musk, where fatherhood fuels his relentless pursuit of progress, with Lil X unknowingly shaping the next big thing in tech.