This can get far more complicated than a simple punch card that someone uses for a free cup of coffee, but the potential to benefit the business is much higher. (inc.com)
Receives some sort of gain such as: money, reciprocal blog post, free cup of coffee, for things she writes about or links to (rachelheldevans.com)
Check out the festive decor and grab a free cup of coffee or hot chocolate from the lobby as if you belong there. (relevantmagazine.com)