Do you pay attention to unit prices at the shops?
Maybe you even know the exact time your local supermarket discounts things so you can swoop in and grab a bargain.
What if supermarkets started using those same tactics on you? With the rollout of electronic shelf labels — those little digital screens replacing paper tags — prices can be updated instantly at the push of a button.
It's becoming more widespread in Australia, and although it's not inherently problematic, some are concerned that the way it's being used overseas could have implications for Australian shoppers.
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