They’re making more money than what they’re giving you. By sending targeted ad/selling information you provide and what is freely available on the internet or purchased from other sources.
For Example: With receipts, they know what you purchasing, they can cross reference this with other information to know that your a family of 3, living in a suburb, and you recently had/going to have a baby.
From there, they can show more ads about baby products on websearches or sell (“share with partner companies”) the data they have accumulated. And that’s just some of the examples.
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