You go outside and open your mailbox. You receive the normal: bills, bank statements, maybe a phony million-dollar offer. But then, part way through it all, you discover an envelope from your favorite clothing store. “Thank you for being a loyal customer,” it says. “The next time you come by, allow us to treat you and additional 40% off your next purchase.”

Now I am not the coupon-clipping type of person, but when I run into an offer that is so relevant to me, I really can’t resist it. A lot of you are like that too. And moreover you know what? A lot of you check your email more often than your real world mailboxes. [Read more...]