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(www.bleepingcomputer.com)
This is a most excellent place for technology news and articles.
Your first link talks about Google consuming data for its AI
Your next two links (which are talking about the same thing) talks about how other companies are abusing Google's adbid system to try and collect correlated data against their own.
Love it or hate it, Google has been pretty transparent that they use your data for advertising, but nothing there talks about Google selling your data to third parties.