One thing I’m concerned about is recording equipment leaving identifiable information without us knowing about it.

  • Peppycito@sh.itjust.works
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    9 days ago

    Doesn’t work very well if you buy something directly from someone. Or if your cash is given out as change. Seems like it would make a wildly inaccurate profile.

    • SchmidtGenetics@lemmy.world
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      9 days ago

      Lots of stores also gives bills back out, the system makes zero sense, it can’t track anything at all. Like maybe 5% of bills are used once and then returned to the bank.

    • e8d79@discuss.tchncs.de
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      9 days ago

      Given a large enough time frame this can be treated as random noise which is easily filtered out, and this data isn’t necessarily meant to track your supermarket shopping. For example, you can use it to figure out where somebody went who has gone into hiding. They might have cleared out their bank accounts before leaving and with that data you can see where these banknotes are now showing up. Just wait at the store they apparently visit every Tuesday.

      • Peppycito@sh.itjust.works
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        8 days ago

        I’m a tradesman and get paid in $100 all the time. A guy from the city gave me $100 for a job. My wife, who is a treasurer for Girl Guides, traded her cookie money of $10’s and $20"s for my $100 and deposited it in the bank. Now the FBI can prove that my customer has an unhealthy cookie addiction.

    • ninja@lemmy.world
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      9 days ago

      ATMs give out $20 bills. In order to get one back as change you’d have to pay with a bill larger than $20. I don’t remember the last time I carried something larger than a 20.