They won't. As long there are good deals on coupons, ppl will want to uncover them. I even beleive that a site with a good marketing team could get rid of bann

They won't. As long there are good deals on coupons, ppl will want to uncover them. I even beleive that a site with a good marketing team could get rid of banners and use only coupons, which would kindly benefit the site visual complexity.