Simple Email Rules

When I model email buyer behavior, there are simple email rules that repeatedly appear.

1. If a customer clicks through an email campaign, the customer has a heightened chance of buying again in the next thirty-ish days.
2. If a customer clicks through two email campaigns per year, the customer is generally more responsive than average for the next year.
3. If a customer purchases after clicking through an email campaign, the customer is strongly signaling to you that the customer 

If you were to personalize email campaigns, just following these three simple rules gives you a ton of flexibility.