Imagine walking into your local grocery store and seeing prices flicker like stock tickers—because they are updating in real time. Big chains like Kroger and Walmart are rolling out digital shelf labels, which could mean prices shifting dozens of times a day based on demand, inventory, or even the weather. It’s a high-tech twist on the old-school sticker swap, but critics worry it might leave shoppers guessing (or grumbling) at the checkout.

Editor’s Note: This isn’t just about fancy labels—it’s a glimpse into how AI and data could reshape everyday shopping. Dynamic pricing already rules airlines and ride-shares, but applying it to eggs and cereal feels more personal. Will it mean fairer deals or just more confusion? Either way, your grocery bill might soon come with a side of algorithm.