I have worked in digital strategy and advertising for my entire adult life. I buy advertising based on the data that Google and everyone else is gathering. Like millions of dollars a year. And I can tell you first hand that the tracking data is garbage, and frankly, at least for the foreseeable future, not something you should really be worried about, with one caveat. Advertisers are not the enemy, government and political agents are. ie. cambridge analytica. That is how you use this data to do harm.. We see literally thousands of advertisements a day. Does it *really* matter if my search history led to me seeing a different banner today?
Most people are too usual, too boring as to be of any interest. No one at Google cares what TV-Show average-Joe watches or what mails you write. If you'd stop considering your life or existence "important", you can enjoy everything Google provides for free. The world will be exactly the same 50 years after you have died, nobody's is really important , so stop complaining about someone watching you - nobody gives a sh... about your "secrets"
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