this post was submitted on 13 Dec 2023
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Privacy
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One possibility: Are you on the same network (i.e. wifi) without a vpn? If yes, then both of you have the same public IP, so it’s trivial to figure out you’re likely in the same household.
I also hear people make the same claims against Alexa, but I usually start explaining what cookies are and how ad networks collects your data to more effectively target you. It doesn’t make fiscal sense to do mass audio surveillance when you already freely hand over your data.
Most likely this. If not, there is a host of other possibilities they could make the connection. Sone that come to mind:
Lemmy is the only social media I have, but we are connected via Whatsapp. I'm thinking that since we were both connected to the wifi without a VPN, that's the probable source of information bleed.
It can be the website you are browsing have trackers that share data with facebook, and facebook was able to infer you guys are in the same household via IP information (ISP also sales you info BTW), and push the ad to her. Or facebook might think that you guys could be the same person or have similar interest etc.
It's basically always this. Your phone in the same room with someone else's phone. This is stronger around christmas when people are looking for gift ideas, so they push this mind control shit on you even harder.
It's not actually listening to you--that's been debunked multiple ways--but what it's doing instead is arguably worse.
Between this and geolocation I'd say its not hard to figure out you guys are in the same house
So what are the mechanics of this? OP would also have had to interact with Meta somehow after finding the moccasins but before the girlfriend did, right?
No, you don’t have to interact with Meta. Websites that utilize Facebook ads in some fashion will install a Meta Pixel to their site in order to track users and better target their ads. That information can be correlated to others in the same household extremely easily.
You can read about the specifics of how Meta does it in their developer information here: https://developers.facebook.com/docs/meta-pixel/