How supermarkets get you to spend more than you need

Adrian Holliday
Updated
A row of supermarket trolleys and a person with shopping bags walking by.
A row of supermarket trolleys and a person with shopping bags walking by.

You nip into the supermarket for some bread and milk - and emerge considerably more laden down and poorer. A new Which? investigation claims supermarkets are now deploying increasingly sophisticated technology to get you to open your wallet more - much more. All in the mind? Actually, yes - and dead-centre from your eyeballs. %VIRTUAL-SkimlinksPromo%

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