Starting in September of 2003, small cards like this one began appearing all around the world. They are markers a newfangled game of tag, where “you’re it” because someone has done something nice for you. Then it’s your turn to do something nice for someone else and, in the process, pass the card along.

This is a game of pay-it-forward. It is a game that makes the world a brighter place by putting smiles on the faces of both the unexpecting recipient and the stealthy giver. It’s a game that makes us aware of the abundant opportunities to help others