Costco is the perfect place to shop whenever you need a 3-pound tub of pretzels andfour gallons of mayonnaise.

Or, perhaps more famously, those $1.50 hot dog combos.

But now those purchases will help the retailer target you with ads, according to a report fromMorning BrewThursday.

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Image: The Image Party (Shutterstock)

And so its a really good time to be starting fresh in retail media.

Costco has 130 million members worldwide and Williamson acknowledges consumer tastes can be fickle.

Customer behavior is changing dramatically and we need to be able to pivot quickly, Williamson said.

A laptop keyboard and Apple Intelligence on website displayed on a phone screen

Williamson says its great that technology has made it so everythings traceable, addressable, measurable, accountable.

Theres a lot of money to be made using customer data to sell more stuff.

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