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I still don’t think companies serve you ads based on spying through your microphone
(simonwillison.net)
this post was submitted on 02 Jan 2025
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Technology
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Other methods of data collection can be scarily effective. Stores have identified people were pregnant before they knew.
Very likely they identified you as someone that could have that condition, and you noticing the ads after talking to your doctor is a form of recency bias.
You can collect almost all the same data from traditional surveillance methods. Collecting and processing mocrophone data just isn't effective enough to make up for the massively increased costs from processing it.
As much as I logically know this to be the case, especially now that Android and iOS indicate when things like the mic are active... My brain still wants to reject it because it is just too coincidental.
I do not trust mic switches however, unless someone can provide proof that it physically disconnects the circuit to that microphone, it can be bypassed somewhere and there's no reason to trust the manufacturer.
It displayed the ad before I could get home and research it. It had only been discussed out loud and in person.
There’s always other signs.
Did you connect to the clinic's WiFi?
Just being near their WiFi is enough.
Yes, I was on the wifi before the appointment.
This is why. Not because your phone is listening to you.
The wifi was not related to the medical issues, the symptoms, or the specific clinical term mentioned by the doctor.
But it's reasonable to believe other people would have searched the same topic on that network
Edit: or even that they looked it up o their own network following connecting to the clinic's.