I'm supposed to ask you to select all the ways you would be happy to hear from me, but since there is no chance of me writing actual letters, and I'm not phoning everyone with updates, I think that just leaves:
Yup, that just about covers it! Of course, you can unsubscribe at any time by clicking the link in the footer of my emails. I'll hate to see you go, but I'll understand if it's all a bit too much.