[Music] [Applause] Have you ever thrown a stone in the water and watch the ripple spread out. It's mesmerizing, isn't it. The first time I saw a ripple effect was as a child growing up in Brazil.Together with my two brothers and sister, we would spend hours playing along the waterfront. Now picture this. It's a beautiful sunset, the water as smooth as glass, and me, a little kids, searching for stones, practicing that arm movement, aiming for the perfect angle.And when everything lines up, you'll see the sk ...