The more modern and high-tech your grocery store gets, the more low-tech your paper coupons look in comparison. And sometimes the combination just doesn’t work – digital sensors, smartphones and mobile wallets simply aren’t all that compatible with old-school discounts printed on dead trees, which need to be packed up and shipped off to a sorting facility to be inspected by hand, like it’s 1960 or something.
But Amazon may be bridging that divide. To a certain extent. I’ve read parts of this story on other sites, but here’s a more complete article in Coupons in the News.