Below is a seven-effort email renewal series for the Ad Age DataCenter. With print, we normally find a lot of success increasing the intensity and directness with each effort. With this email renewal series it was determined that it would be more successful if we took a different approach. It was first about reminding them about what a great resource AdAge DataCenter is. Once there was an expire, the offer came to being. And finally, with Effort 7, last chance for the offer.