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A comment on Amazon has a patent to keep people from comparison shopping in stores. Parent comment

Re:Amazon has a patent to keep people from comparison shoppi... by dragonwriter on Friday June 16, 2017 @05:37PM (#14572832)
> Well, even though most stores don't acknowledge it, how much do you want to bet there are stores that install 3G/4G cell jammers to prevent you from using your mobile to look up anything while in-store?

Actual jammers? Unlikely because it's highly illegal, quite detectable, and will cost more than anyone could hope to gain by it.

Deliberate, passive measures that practically impede indoor reception may happen, though.

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Re:Amazon has a patent to keep people from comparison shoppi... by Consultant32452 on Friday June 16, 2017 @05:43PM (#14572865)
>Deliberate, passive measures that practically impede indoor reception may happen, though.

It does seem that some buildings are suspiciously effective Faraday cages while others are not.

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Re:Amazon has a patent to keep people from comparison shoppi... by sixdimensional on Friday June 16, 2017 @07:47PM (#14573399)
Yes, this is exactly the effect I am talking about. You go into the store, and effectively, using the cell network for data goes to zero, but the cell voice service still works.

Could it be something that makes the cell network jittery or adds latency that interferes with cellular data but not voice service?

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