I have to admit, the first time I saw the Walgreens’ glass refrigerator panels replaced by screens showing images of what’s inside, I thought it was pretty cool. But I’ve long erred on the side of staring at screens instead of through windows. And when you start to think about it a bit, you realize the ultimate purpose of these screens is to put advertisements in yet another line of sight. And I’m already in your store buying stuff. Walgreens replaced some fridge doors with screens. And some shoppers absolutely hate it.