Not all cows get to spend their days with soft green grass under hoof. For many, the picture isn't so pretty, according to the book Farmageddon. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

The drone in Potter's promotional video on Kickstarter. "Now I'm looking at other models (and a second drone) because some people have threatened to shoot it down," Potter says. via Kickstarter hide caption

itoggle caption via Kickstarter