Eyes in the skies: Could drone tech revolutionize polo?

    (CNN)Polo can be a confusing spectacle for the uninitiated.

    Horses charge up and down a large rectangular field while players clad in color-coded garbs hack at a small white ball with mallets on elongated sticks.
    From the sidelines or on television, it's hard to grasp if there's really any skill, structure or tactical nous being deployed at all -- unless you know what you're looking for.