In my last post, I presented a simple email campaign strategy that includes sending a text-only follow-up email to people who did not open the original email, and a multipart follow-up email with a special offer to those who did open it, 24 hours after the original send. While adding follow-up messages to email campaigns can produce some impressive results, it does raise a number of questions:

In the first installment of this series I focused on the concept of keyword permutation as a method for generating long-tail keywords for your pay per click (PPC) campaigns. It’s a great way to cover a wide range and pick up a lot of long-tail keywords that get very few searches individually, but that can really add up to big numbers.