A good faraday bag works as well as taking the battery out used to.
But, of course, that only works until you take it out of the bag. But, taking the battery out only works till you put the battery back in.
The only way to stop corporations from doing evil is to regulate them, and then enforce the regulation. Which is why they all lobby against regulation and bribe politicians, and judges.
They've also spent billions over the years fooling poors into believing that deregulation was good for them, when all it does is tighten the grip of the filthy rich.
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