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by mediumdeviation
2524 days ago
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I think you're thinking of a different threat model from these users. If you're concerned about breaches by malicious actors, then yes this defense makes sense. However, if you're worried about data mined from tracking your personal behavior, which is what the users here are worried about, then it makes sense to spread your data out. Traditional stores are not going to send each other your transaction history to build a profile of interest and personality, and each store won't have a complete enough history or even the expertise to mine it. |
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"Traditional" as in "before the age of Amazon"? They do, through store rewards cards. Harris Teeter knows what I have bought and has figured out what I only buy on sale, Target can identify pregnant women with stunning accuracy, and I'd be surprised if other retailers didn't do similar stuff. You're probably thinking of independent/mom and pop shops.