Business Cards vs Promotional Fridge Magnets - As Avenues to Repeat Business

Here are two scenarios, each featuring the use of a different promotional tool:

Scenario 1: Business Card

You offer your customer a business card in the hope of generating some repeat business. Your customer leaves the premises and does one of the following: Of course, in a perfect world, she'd locate your card immediately and call you or drop into your place of business. And that certainly does happen in reality if the person is motivated enough to keep track of your card.

Scenario 2: Promotional Fridge Magnet

You offer your customer a promotional fridge magnet with instructions about the savings deal attached to it. She leaves the premises and does one of the following: