You know you'll get better results if you target the offer to the person's interest, so you decide to prepare 2 campaigns.
Imagine you offer financial services and want to send out special offers to internet users people who have looked at your products. You know you'll get better results if you target the offer to the person's interest, so you decide to prepare 2 campaigns. One is for young families who have looked at your life insurance products, and the other is for millennial entrepreneurs who have considered your retirement plans.