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I still don’t think companies serve you ads based on spying through your microphone
(simonwillison.net)
This is a most excellent place for technology news and articles.
I once worked in a charity providing mental health services to people without insurance, or who wanted to not have their insurance record the service for whatever reasons.
I once had a homeless man that I would see regularly. We set up each appointment at the end of the preceding appointment, because the only other way to get a hold of this person would be to call the fast food place he worked at, during his work hours, which weren't consistent. This man did not own a phone, or any other electronic device. His facebook, and all of his online activity was done at his local library. I emphasize this because I need it to be stressed that there was no way any algorithm could connect his location to mine. There was no way for a system to recognize that his device was near mine, because he did not have a device. There was no way for any of his online habits to be algorithmically connected to mine, at all.
One session, we're speaking. The only devices in our small, sound proofed room, were my cell phone, a digital clock not connected to any system, and a digital camera, turned off, and also not connected to any system. He mentions that he's been contacted by someone who wants him to move to the Phillipines. We briefly discuss flights and work in the Phillipines. Then we move on to other things, yadda yadda, end session.
By the end of the day, I'm getting ads on Facebook for flights to the Phillipines. Freaked me the fuck out because those sessions are HIPAA protected. From then on I kept my phone turned off, and in a completely different room in our building than any of my sessions with any patient. Never ever had it happen again.
I've had a very similar experience.
Once discussed something, out of the blue, something I've never been curious about in my life, in the car, with a friend who also has never thought about the same thing.
Hours later we're both seeing related ads.
Now, I get that the amount of data required for such analysis is supposedly outside the bounds of what phones can do. But I can't see any other explanation. Neither of us ever searched anything in this subject, we talked about doe a couple minutes and moved on, never doing anything about it. We have very different interests, too.