Take a look at this promotion from Cheerios (click for close-ups):
They ask you to take a moment to cut out a piece of the box and send it as a thank-you postcard to a soldier. It’s a decent promotion, and not too far over the “good deed vs. shameless advertising” line.
But the real interesting lesson is the participatory action. It’s always great when you can get your customers to do some activity involving your brand. They go from consumers to co-creators — and they’ll have memories and feelings for the brand beyond just using it.
What can you do to get your customers actively involved?