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Google Keeps Making Smartphones Worse
(jacobin.com)
This is a most excellent place for technology news and articles.
In all honesty, I have no idea. I didn't give the stock firmware enough time on my phone to check on anything other than the amount of tracking and the move to the system partition.
As for the reason for putting them in this partition, I'm sold on the idea that it's to keep the levels of invasion as high as possible while removing the user's options to get rid of them.