You may remember my post recently about marketing and building a personal relationship with your list. I was reminded of that today simply because it's my birthday.There's nothing that really makes my birthday any more or less special than anyone else's, but today, between all the cards and letters I got from friends and colleagues, I was made to feel that it was. What made it different from any other year were the number of ecards and emails I got from fellow marketers whose lists I had...