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The New Coffee Room

  1. TNCR
  2. General Discussion
  3. Apple Inc.’s AirTag

Apple Inc.’s AirTag

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  • KlausK Offline
    KlausK Offline
    Klaus
    wrote on last edited by Klaus
    #4

    These devices send the location of your AirTag to iCloud

    Why THE FUCK do they need to upload that data to their servers? I for one don't want Apple to know where my stuff is.

    Only you can see where your AirTag is. Your location data and history are never stored on the AirTag itself. Devices that relay the location of your AirTag also stay anonymous, and that location data is encrypted every step of the way. So not even Apple knows the location of your AirTag or the identity of the device that helps find it.

    Sounds like BS to me. Everything leaves a trace on the internet. IP addresses, digital fingerprints, etc. Also, even if they try to maintain privacy in their current version of the software, I assume they could at anytime, either accidentally or deliberately, update the software to reveal as much information as they want.

    If they were serious about privacy, they wouldn't upload anything to the cloud. Local things can be done locally, and for the "I lost my stuff" scenario where somebody else's device is supposed to signal the position, an infrastructure like the Tor network could be used to do this in a decentralized, anonymous way. Or the tag could simply contain an anonymous email address for receiving "found" messages. There would be a million ways offer these services without using any Apple cloud services.

    @Axtremus do you know how the direction thing works? How do they know the direction from which the signal came?

    George KG 1 Reply Last reply
    • KlausK Klaus

      These devices send the location of your AirTag to iCloud

      Why THE FUCK do they need to upload that data to their servers? I for one don't want Apple to know where my stuff is.

      Only you can see where your AirTag is. Your location data and history are never stored on the AirTag itself. Devices that relay the location of your AirTag also stay anonymous, and that location data is encrypted every step of the way. So not even Apple knows the location of your AirTag or the identity of the device that helps find it.

      Sounds like BS to me. Everything leaves a trace on the internet. IP addresses, digital fingerprints, etc. Also, even if they try to maintain privacy in their current version of the software, I assume they could at anytime, either accidentally or deliberately, update the software to reveal as much information as they want.

      If they were serious about privacy, they wouldn't upload anything to the cloud. Local things can be done locally, and for the "I lost my stuff" scenario where somebody else's device is supposed to signal the position, an infrastructure like the Tor network could be used to do this in a decentralized, anonymous way. Or the tag could simply contain an anonymous email address for receiving "found" messages. There would be a million ways offer these services without using any Apple cloud services.

      @Axtremus do you know how the direction thing works? How do they know the direction from which the signal came?

      George KG Offline
      George KG Offline
      George K
      wrote on last edited by
      #5

      @klaus said in Apple Inc.’s AirTag:

      How do they know the direction from which the signal came?

      My understanding is that it's the U1 chip in the iPhone 11 and 12.

      "Now look here, you Baltic gas passer... " - Mik, 6/14/08

      The saying, "Lite is just one damn thing after another," is a gross understatement. The damn things overlap.

      KlausK 1 Reply Last reply
      • George KG George K

        @klaus said in Apple Inc.’s AirTag:

        How do they know the direction from which the signal came?

        My understanding is that it's the U1 chip in the iPhone 11 and 12.

        KlausK Offline
        KlausK Offline
        Klaus
        wrote on last edited by
        #6

        @george-k said in Apple Inc.’s AirTag:

        @klaus said in Apple Inc.’s AirTag:

        How do they know the direction from which the signal came?

        My understanding is that it's the U1 chip in the iPhone 11 and 12.

        Maybe, but if you have just an antenna and you receive a signal, you have no clue where the signal comes from. One would need a directional antenna and a rotation mechanism, somewhat similar to radar.

        1 Reply Last reply
        • markM Offline
          markM Offline
          mark
          wrote on last edited by
          #7

          I predict failure in the marketplace for this POS.

          George KG AxtremusA 2 Replies Last reply
          • AxtremusA Offline
            AxtremusA Offline
            Axtremus
            wrote on last edited by
            #8

            Don’t know how Apple does this exactly, but maybe you can get some idea about what is possible from a paper like this: https://www.mdpi.com/1424-8220/19/20/4466

            Assuming you have access to large troves of academic research publications, search for “single channel ultra wide band direction finding.”

            I kind of zeroed in on “single channel” because I don’t know how many UWB antennae Apple puts in an iPhone. So for the worst case I assume one antenna.

            I further speculate that in spaces where there are multiple Apple devices present (iPhones, iPads, Macs, HomePods, etc.), when there are multiple such devices are UWB capable, Apple can treat them as a distributed antenna array and deploy location/directional finding algorithms that take advantage of multiple antennae. This can also partially answer the question of why using a centralized server.

            KlausK 1 Reply Last reply
            • markM mark

              I predict failure in the marketplace for this POS.

              George KG Offline
              George KG Offline
              George K
              wrote on last edited by
              #9

              @mark said in Apple Inc.’s AirTag:

              I predict failure in the marketplace for this POS.

              Tell that to the folks at Tile.

              "Now look here, you Baltic gas passer... " - Mik, 6/14/08

              The saying, "Lite is just one damn thing after another," is a gross understatement. The damn things overlap.

              markM 1 Reply Last reply
              • markM mark

                I predict failure in the marketplace for this POS.

                AxtremusA Offline
                AxtremusA Offline
                Axtremus
                wrote on last edited by
                #10

                @mark said in Apple Inc.’s AirTag:

                I predict failure in the marketplace for this POS.

                Entirely possible ... don’t know how well something like this will perform in real life yet. Might turn out like the Apple Watch’s EKG function where medical professionals like George would look at it and laugh.

                George KG 1 Reply Last reply
                • AxtremusA Axtremus

                  @mark said in Apple Inc.’s AirTag:

                  I predict failure in the marketplace for this POS.

                  Entirely possible ... don’t know how well something like this will perform in real life yet. Might turn out like the Apple Watch’s EKG function where medical professionals like George would look at it and laugh.

                  George KG Offline
                  George KG Offline
                  George K
                  wrote on last edited by
                  #11

                  @axtremus said in Apple Inc.’s AirTag:

                  EKG function where medical professionals like George would look at it and laugh

                  Actually, it's very good for what it does. Detect rhythm and nothing else. It's functionally the same as the KardiaMobile device you see advertised. Probably (but perhaps could) won't detect a heart attack, but it'll detect all kinds of nasty arrhythmias.

                  "Now look here, you Baltic gas passer... " - Mik, 6/14/08

                  The saying, "Lite is just one damn thing after another," is a gross understatement. The damn things overlap.

                  1 Reply Last reply
                  • George KG George K

                    @mark said in Apple Inc.’s AirTag:

                    I predict failure in the marketplace for this POS.

                    Tell that to the folks at Tile.

                    markM Offline
                    markM Offline
                    mark
                    wrote on last edited by
                    #12

                    @george-k said in Apple Inc.’s AirTag:

                    @mark said in Apple Inc.’s AirTag:

                    I predict failure in the marketplace for this POS.

                    Tell that to the folks at Tile.

                    Do you own a Tile? Do you know people who do?

                    George KG MikM 2 Replies Last reply
                    • markM mark

                      @george-k said in Apple Inc.’s AirTag:

                      @mark said in Apple Inc.’s AirTag:

                      I predict failure in the marketplace for this POS.

                      Tell that to the folks at Tile.

                      Do you own a Tile? Do you know people who do?

                      George KG Offline
                      George KG Offline
                      George K
                      wrote on last edited by
                      #13

                      @mark said in Apple Inc.’s AirTag:

                      Do you own a Tile?

                      Nope. I tend to not lose things.

                      Do you know people who do?

                      D3 has about 5 of them. She loves them.

                      D3 and D4 have Apple watches as well. When you have a 2 year old running around, and you put your phone down, the ability to "ping" your phone from the watch is very useful.

                      "Now look here, you Baltic gas passer... " - Mik, 6/14/08

                      The saying, "Lite is just one damn thing after another," is a gross understatement. The damn things overlap.

                      1 Reply Last reply
                      • AxtremusA Axtremus

                        Don’t know how Apple does this exactly, but maybe you can get some idea about what is possible from a paper like this: https://www.mdpi.com/1424-8220/19/20/4466

                        Assuming you have access to large troves of academic research publications, search for “single channel ultra wide band direction finding.”

                        I kind of zeroed in on “single channel” because I don’t know how many UWB antennae Apple puts in an iPhone. So for the worst case I assume one antenna.

                        I further speculate that in spaces where there are multiple Apple devices present (iPhones, iPads, Macs, HomePods, etc.), when there are multiple such devices are UWB capable, Apple can treat them as a distributed antenna array and deploy location/directional finding algorithms that take advantage of multiple antennae. This can also partially answer the question of why using a centralized server.

                        KlausK Offline
                        KlausK Offline
                        Klaus
                        wrote on last edited by Klaus
                        #14

                        @axtremus said in Apple Inc.’s AirTag:

                        Don’t know how Apple does this exactly, but maybe you can get some idea about what is possible from a paper like this: https://www.mdpi.com/1424-8220/19/20/4466

                        Assuming you have access to large troves of academic research publications, search for “single channel ultra wide band direction finding.”

                        I kind of zeroed in on “single channel” because I don’t know how many UWB antennae Apple puts in an iPhone. So for the worst case I assume one antenna.

                        I further speculate that in spaces where there are multiple Apple devices present (iPhones, iPads, Macs, HomePods, etc.), when there are multiple such devices are UWB capable, Apple can treat them as a distributed antenna array and deploy location/directional finding algorithms that take advantage of multiple antennae. This can also partially answer the question of why using a centralized server.

                        That's interesting.

                        The way I understand it is that the device, such as the AirTag, sends an impulse and then the receiver receives the impulse multiple times - once from the straight line path, then from reflections. The angle can then somehow be estimated from the strength and delays between the received signals? But I completely fail to understand how the "somehow" can work. How can you ever get a direction vector out of this?

                        In that particular paper, they seem to require measurements within a room (by robots or something) to get a kind of profile, that they can feed into a neural network for predicting direction from impulse responses.

                        But that's not how the AirTag can work, because obviously you won't use robots to get a profile of all the rooms you work in.

                        But the report mentions that other methods include the usage of multiple antennas and, according to the report, it seems to be standard to have more than one antenna in a device. I can see how that works with two antennas. Maybe that's how AirTag works?

                        1 Reply Last reply
                        • George KG Offline
                          George KG Offline
                          George K
                          wrote on last edited by
                          #15

                          Accessory:

                          https://www.apple.com/shop/product/MX8A2AM/A/airtag-hermès-luggage-tag

                          Screen Shot 2021-04-21 at 9.06.38 AM.png

                          "Now look here, you Baltic gas passer... " - Mik, 6/14/08

                          The saying, "Lite is just one damn thing after another," is a gross understatement. The damn things overlap.

                          MikM KlausK 2 Replies Last reply
                          • markM mark

                            @george-k said in Apple Inc.’s AirTag:

                            @mark said in Apple Inc.’s AirTag:

                            I predict failure in the marketplace for this POS.

                            Tell that to the folks at Tile.

                            Do you own a Tile? Do you know people who do?

                            MikM Offline
                            MikM Offline
                            Mik
                            wrote on last edited by
                            #16

                            @mark said in Apple Inc.’s AirTag:

                            @george-k said in Apple Inc.’s AirTag:

                            @mark said in Apple Inc.’s AirTag:

                            I predict failure in the marketplace for this POS.

                            Tell that to the folks at Tile.

                            Do you own a Tile? Do you know people who do?

                            Ayup. I bought them for MFR who was continually misplacing her keys. She never really got the hang of using it. Technophobia.

                            “I am fond of pigs. Dogs look up to us. Cats look down on us. Pigs treat us as equals.” ~Winston S. Churchill

                            1 Reply Last reply
                            • George KG George K

                              Accessory:

                              https://www.apple.com/shop/product/MX8A2AM/A/airtag-hermès-luggage-tag

                              Screen Shot 2021-04-21 at 9.06.38 AM.png

                              MikM Offline
                              MikM Offline
                              Mik
                              wrote on last edited by
                              #17

                              @george-k said in Apple Inc.’s AirTag:

                              Accessory:

                              https://www.apple.com/shop/product/MX8A2AM/A/airtag-hermès-luggage-tag

                              Screen Shot 2021-04-21 at 9.06.38 AM.png

                              $449?!?!?! I could buy the luggage and everything in it for less!

                              “I am fond of pigs. Dogs look up to us. Cats look down on us. Pigs treat us as equals.” ~Winston S. Churchill

                              George KG 1 Reply Last reply
                              • George KG George K

                                Accessory:

                                https://www.apple.com/shop/product/MX8A2AM/A/airtag-hermès-luggage-tag

                                Screen Shot 2021-04-21 at 9.06.38 AM.png

                                KlausK Offline
                                KlausK Offline
                                Klaus
                                wrote on last edited by
                                #18

                                @george-k said in Apple Inc.’s AirTag:

                                Accessory:

                                https://www.apple.com/shop/product/MX8A2AM/A/airtag-hermès-luggage-tag

                                If ever there was a proper usage for the term "lolwut", this is it.

                                1 Reply Last reply
                                • HoraceH Offline
                                  HoraceH Offline
                                  Horace
                                  wrote on last edited by
                                  #19

                                  Looks like a fantastic product, thanks for posting about it, Ax. I'll get some for my mom and my wife and myself. But they're selling like hotcakes and not currently available from apple's website. Apparently the word is out about this extraordinarily useful product.

                                  Education is extremely important.

                                  1 Reply Last reply
                                  • George KG Offline
                                    George KG Offline
                                    George K
                                    wrote on last edited by
                                    #20

                                    https://www.engadget.com/apple-airtags-trackers-first-look-hands-on-130036848.html

                                    "Now look here, you Baltic gas passer... " - Mik, 6/14/08

                                    The saying, "Lite is just one damn thing after another," is a gross understatement. The damn things overlap.

                                    1 Reply Last reply
                                    • kluursK Offline
                                      kluursK Offline
                                      kluurs
                                      wrote on last edited by
                                      #21

                                      I ordered one. Sounds like it takes a while. Clearly, they could give away the tag as they make their profit on the little holder.

                                      1 Reply Last reply
                                      • AxtremusA Offline
                                        AxtremusA Offline
                                        Axtremus
                                        wrote on last edited by Axtremus
                                        #22

                                        One thing I want to use it for is to put one in each car so I can find my own car in a big parking lot after I shop. Not all sure if that will work, though. Apple, Inc. seems to have goofy rules about precision/directional finding not working unless you (your iPhone?) are "close enough "to a tag, and that if you (your iPhone?) move "far enough" away from the tag it might beep to help others be aware of unwanted tags. Apple so far has not tell you the thresholds for what constitute "close enough" or "far enough," and even then I am not sure those thresholds would work for the parking lot at a shopping mall/plaza use case.

                                        Take Costco for example, the parking lot and the store itself are HUGE, so it's very likely I have to walk pretty far away from the store entrance and walk pretty far away from the car. Will the Apple AirTag work well in that scenario? For now, I am not confident that it will.

                                        Hey @Horace, go do some user experience testing with AirTags in some big box store's parking lot and tell us how well the AirTag can help you find your car in the parking lot. Thanks!

                                        George KG 1 Reply Last reply
                                        • MikM Mik

                                          @george-k said in Apple Inc.’s AirTag:

                                          Accessory:

                                          https://www.apple.com/shop/product/MX8A2AM/A/airtag-hermès-luggage-tag

                                          Screen Shot 2021-04-21 at 9.06.38 AM.png

                                          $449?!?!?! I could buy the luggage and everything in it for less!

                                          George KG Offline
                                          George KG Offline
                                          George K
                                          wrote on last edited by
                                          #23

                                          @mik said in Apple Inc.’s AirTag:

                                          $449?!?!?! I could buy the luggage and everything in it for less!

                                          Peasant:

                                          https://www.hermes.com/us/en/product/apple-airtag-hermes-travel-tag-H0007941v3400/

                                          Screen Shot 2021-04-25 at 7.39.08 AM.png

                                          "Now look here, you Baltic gas passer... " - Mik, 6/14/08

                                          The saying, "Lite is just one damn thing after another," is a gross understatement. The damn things overlap.

                                          1 Reply Last reply
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