On the sidelines of a New York gathering convened to shape how technology serves the world's children, Philippine First Lady Liza Araneta-Marcos crossed paths with Apple Executive Chairman Tim Cook — an unplanned encounter that offered her an early glimpse of a device the rest of the world has yet to hold. The meeting, brief and cordial, carried the quiet weight of two spheres — diplomacy and commerce — briefly touching, each sensing opportunity in the other. Whether a handshake and exchanged contacts between a head of state's spouse and a technology titan translates into something more tangib