• 3 Posts
  • 56 Comments
Joined 2 years ago
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Cake day: July 4th, 2022

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  • GrappleHat@lemmy.mltoPrivacy@lemmy.mlCar Privacy is Shit
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    18 days ago

    Depending on the car you might be able to physically disable telemetry. Here are some thoughts/ideas I’ve been collecting:

    • Hit “SOS” button and opt-out of all services through customer service. This of course requires trusting the company to actually do it.
      • It’s possible that the info could be stored locally and then uploaded when it gets serviced though
    • Remove the fuse to the modem/data communication module (DCM)
    • Disconnect wiring to the LTE antennas
    • A number of people have mentioned that they can get the dealer to disconnect the telemetry as a precondition to buying. For instance, here.
    • Jump the data communication module (DCM) cable with a ~$70 dongle to bypass just the telematics components
    • Disconnect the DCM cable, which will likely gimp the infotainment if not other systems, or remove the entire DCM unit



  • A couple of ideas:

    Encoding holograms

    • Model the object in 3D space (using Blender maybe?)
    • Use the Angular Spectrum algorithm to model light propagation, its interaction with the object, and it hitting the recording medium.
    • Your final recorded hologram should have two maps (aka “images”) across (x, y): a map of the light’s amplitude and another of its phase offset. This is your recorded hologram.

    Decoding holograms:

    • Use the angular spectrum algorithm again except reverse the light’s propagation direction. The amplitude and phase maps from the encoding phase are the initial conditions you’ll use for the light.
    • The light’s amplitude and phase information you calculate at various planes above the recording plane are the 3D “reconstructed” image.

    Last thought

    Holography is often used to record information from the real world, and in that process it’s impossible to record the light’s phase during the encode step. Physicist’s call it “the phase problem” and there are all kinds of fancy tricks to try to get around it when decoding holograms in the computer. If you’re simulating everything from scratch then you have the luxury of recording the phase as well as the amplitude - and this should make decoding much easier as a result!






  • I hear what you’re saying and it makes sense. But I do not believe that my particular case was one of priming/manipulation/freq bias. The topic of conversation was too uncharacteristic, too random, and there were too many similar ads within moments. It was either a colossal coincidence or a breach in privacy.

    I suppose it doesn’t matter. My phone is much more locked down now.


  • GrappleHat@lemmy.mltoPrivacy@lemmy.mlGoogle-Amazon connection?
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    5 months ago

    Something on stock Android phones is always listening though. I had a similar experience as OP where I had an IRL conversation once with my son about a product I don’t normally talk about. My phone was unused & “asleep” nearby. An hour later at work I was inundated with ads for said product all over the internet in my Chrome browser on my work computer. It was way too heavy handed to be a coincidence. The phone had listened to our conversation.

    (That day marked the first on my journey to de-Google and take serious steps preserve my privacy online)


  • Surprised the rates of adblocking is so high! I thought it was a little more niche.

    Also surprised that the article didn’t mention manifest v3 rolling out later this year to Chrimium-based browsers - which will effectively end adblocking in all browsers except Firefox.

    Google isn’t stupid, they know that ad blocking undermines their business. And Google controls Chromium: the backbone of almost all browsers. So of course they’re going to engineer it to prevent ad blocking. It was only a matter of time.