99% of millennials, most of whom have an iphone or ipad, reckon that advertising has no effect on them. Anyone in email marketing can see the non sequitur. You will probably want to know the names of the 99%. They are not so much your target audience as have targets on them.  That they are wrong should go without saying, but you could reassure yourself by asking them why they are not affected. Most will say that they are merely…