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Hundreds of smartphone apps are monitoring users through their microphones
(www.the-independent.com)
This is a most excellent place for technology news and articles.
It works great for me. I'm using a Pixel with stock Android, so I can only speak to how it behaves on my phone. I know sometimes carriers add/change shit.
I did this but stopped because if I pick up the phone locked, I have to unlock it to turn mic on and answer the call. So I just make sure to allow mic access only to apps that really need it
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