“TVs emit a tone during ad breaks that is inaudible to humans but that smartphones are listening for; now corporate entities can link the tv & phone as belonging to the same person”
@Gargron I'd highly recommend everyone getting rid of their cell phones and just going back to using a land line
@Gargron Thanks, I hate it!
@Gargron so, the same thing Spain's LPF was sued by the EU for?
@Gargron oh, good!!!
@Gargron this was like a theoretical paper a few years ago now on detecting someone's phone by playing high pitched audio and listening to it through the microphone, knowing that different speakers and microphones would detect it differently.
This is a slightly easier to achieve version of that, but relies upon a great deal of extra work in tying a phone and a TV together by having them both playing/recording at the same time
@Gargron so this is linking to a paper back in 2015 https://cdt.org/files/2015/11/10.16.15-CDT-Cross-Device-Comments.pdf
that discussed it. Silverpush claim they used to do it, but they now don't have such a product.
Their website seems kinda unprofessional, tbh, so I doubt it's all that successful. Even in their PR docs, they're claiming you'd need to get a SDK on users' phones to listen for this ad. That seems pretty.. farfetched.
To talk about Facebook separately, there's no evidence that they are using audio to target adverts, and micro-sampling tones wouldn't provide data that could be used for advert interest groups/data selling.
There's a load of anecdotes they do, but nothing concrete. The bluetooth thing seems fairly explainable as a mic glitch, but doesn't go as far as "nefarious tracking"
Facebook aren't working with traditional TV ads, AFAIK, so this type of thing isn't viable. Maybe they are doing it for device id, but there are better ways and if it's apple you've got less to go on.
And finally a moment isn't sufficient for text context for ad interests. So what benefit is there?
@Eden @feld @Gargron AT&T tried to sell this to my last marketing agency. They claimed to be the first to implement it with integrated systems. It was designed not for broadcast but to their ads in their DVR systems and crap like that. It required a mobile app to embed their toolkit in it as a listener.
I'm the end it wasn't a fit for our market, but it was very much a real thing. That was over a year ago. I'm sure others are in play now
@Gargron Good thing I don't watch broadcast TV.
@Gargron I did not know that! Thanks for the HEADS UP!
@Gargron you can protect yourself by using the PilferShush Jammer - https://f-droid.org/app/cityfreqs.com.pilfershushjammer
@Gargron Thats why I use LOS
@Gargron Some time ago, an app called SoniControl (available on the play store) was released to protect users against that.
@Gargron I'm safe. I don't watch TV. Now if I could just ditch my Google Home Minis.
@Gargron I just don't watch broadcast TV with adverts on it.
Admittedly I have to deal with streaming sites, but it's more obvious that they're tracking you in the first place ...
@gnomon @Gargron - That's really old news, these stand-alone devices have been around for decades https://en.wikipedia.org/wiki/Portable_People_Meter
@gnomon @Gargron - And the SilverPush smarphone implementation has been around at least 4-5 years: https://www.theatlantic.com/technology/archive/2015/11/your-phone-is-literally-listening-to-your-tv/416712/
@gargron iunno, some of these claims sound a bit weird...
like "Your TV emits a tone during a commercial break, a tone that’s inaudible to you, but your phone is listening for it. Now they can link the TV and phone as belonging to the same person."
unless they can somehow figure out a way to make every TV emit a different tone (which would require messing with millions of broadcasts), there's really no way of identifying anything other than "this phone was in the same room as a TV tuned to this channel"…
@devurandom @gargron TV sets aren't just passive receivers anymore, most are computers hooked to the Internet even if you tell them not to be. So it can encode the TV's serial number, whatever other data they want, and talk back to the phone.
Solution is A) Airgap your TV, only receive HDMI from some other box, B) Don't use virus-loader Android, and hopefully Apple catches some of these on iOS.
@Gargron Can't believe no one made the terminator connection in this thread yet
@Gargron Don't worry.
@Gargron What the actual fuck?! Is this for real??? 🤯 😱 😑 🤦♂️
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