It’s hard to overstate how deeply Google is woven into our lives—and how much it collects along the way. If you use services like Search, YouTube, Gmail, Chrome, Google Maps, or Android (which, let’s face it, covers most people), you’re sharing pieces of your digital life every day.
Google knows what you search for, the videos you watch, the places you go, the websites you visit, the apps you use, and even how long you use them. It records voice commands you give to Google Assistant (if voice activity is enabled), tracks your purchases through email receipts, and builds an advertising profile based on your behavior. Your interests, routines, and even major life events are all stored and analyzed… More here.
You may know a lot of what is included in the article above and it is a continuing topic, but continual reminders are not a bad thing either.
McGST 
What does it really impact that they have all that? I don’t see that I am influenced by them in any way. If anything, I feel like they are chasing their tail trying to figure us out.
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Guess the more they know the better their services work. Apple suffers sometimes with not knowing enough
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I don’t use as many of their services as most do.
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Suspect Gmail alone gathers huge amounts of personal data
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I’m sure. I don’t use that much.
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