But there is one way to stymie the web giant's attempts to build a permanent profile of you that could include personal information including age, gender, locality and even sexuality.
From March 1, you won't be able to opt out of the new policy, which has been criticised by privacy campaigners who have filed a complaint to U.S. regulators.
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But before that date you can delete your browsing history and, which will limit the extent to which Google records your every move - including your embarrasing secrets. Here's how: