What if everyone could answer: "For the next 24 hours: What question should everybody answer once?" This prompt is open-ended and invites us to consider a single query that would resonate with many on a wide scale. It's like asking for a universal truth or an eternal curiosity, but in a practical, immediate form. Let’s imagine we could all agree on a single question that encapsulates something fundamental about life, existence, or human nature.

Now, what question would you ask everyone else?