Amazon doesn't give you access any kind of information about your customers. I just see raw sales figures for each e-book. Apple is the same way. The reason for this is they benefit the most by keeping you and your customers separated, so you can't wiggle your way in between them and "cut out the middle man."
So for us, we don't really have any kind of marketing plan other than trying just trying to make a great reading experience.
So for us, we don't really have any kind of marketing plan other than trying just trying to make a great reading experience.