Tesco shoppers come under scrutiny

The habits of Tesco shoppers is soon to come under the combined close scrutiny of Thomson Intermedia, which tracks UK advertising and Dunnhumby, a market researcher.

The two have joined forces to examine the effects of advertising on shoppers’ habits and will track the 10m regular users of Tesco’s clubcard.

The research will cover more than 40,000 brands and will be sold to companies to evaluate the impact of their promotional campaigns.

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