Wired cameras have also had problems such as <a href="http:&#x2F;&#x2F;www.usatoday.com&#x2F;story&#x2F;sports&#x2F;nascar&#x2F;2013&#x2F;05&#x2F;26&#x2F;coca-cola-600-cable-cord-caution-nascar-sprint-cup&#x2F;2362613&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.usatoday.com&#x2F;story&#x2F;sports&#x2F;nascar&#x2F;2013&#x2F;05&#x2F;26&#x2F;coca-...</a><p>It would be interesting to start comparing accidents per hour for wired and drones.