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I see this the same as a company asking for a SSN. I didn’t pick it, it is really hard to change without physical/mental pain, and is spoofable anyway.
Based on those criteria… I’m not sure why I care about sharing it. I wouldn’t solely use it for something I’m securing myself, but if some company wants too, I don’t really take issue.
I don’t understand why this article isn’t BS. It was meant to prevent passive snooping. If I connect to a network, it needs to know who I am.
I’ve worked with companies that implement this type of tech for monitoring road traffic congestion. IOS reduced the number of ‘saw same phone twice and can calculate speed’