As the company puts it:
In 1995, a pair of rebel cows first painted the words “Eat Mor Chikin” on an Atlanta, Georgia, billboard. Since then, the boisterous bovines have found creative ways to use the slogan to encourage humans to eat chicken (and not beef). From billboards to water towers, TV to radio, no place is off limits for the renegade cows’ self-preservation message, which has become a Chick-fil-A slogan.
Here is an example:
Excuse me for analyzing a joke, but it is the usefulness of cows to humans that ensures they don’t go extinct.
More to say, of course.