What’s the single most valuable product in the world?
That’s generally an impossible question to answer, except during exceptional times when a single product becomes the most coveted thing on the planet. It’s difficult to think of the last time that happened — you probably have to go back to the race to the atomic bomb. It was a single product that all of the wealthiest countries on earth wanted to get their hands on, because the one that got it first would dominate the world.