[Editor's Note: Survey to produce a series of columns.] Stephanie Miller - ClickZ - 6/30/10 You and your fellow ClickZ readers want to be more relevant to your e-mail subscribers, but you also have a lot going on. There's technology to master, data to marshal and use, metrics to define, and segmentation strategies to define. Oh, and don't neglect deeper engagement, list growth, and inbox placement while you're at it, please. ...