Dairy farmers routinely feed their cows finger-sized magnets that settle in their digestive tracts to help keep them healthy. This is not bizarre homeopathy, but a legitimate treatment for a stomach-churning ailment called "hardware disease".
Farming cows is a thankless task; keeping track of their fertility sounds funny, but it's what keeps meat in your burger and milk on your cereal. Fortunately, mobile technology means that cows can now drop their farmers an SMS when they're feeling frisky. That's right. Bovine sexting has arrived.