Tucked away under the phrase 'how your ads are personalised', the search giant reveals to users who have a Gmail account what information it has gleaned about them to share with advertisers.
In just two clicks from a user's Google account homepage — under 'manage your data and personalisation' and then 'go to ad settings' — it's possible to see a long list of estimated interests and facts, including details on shopping habits, favourite sports and even the animals people might want as a pet.
Here's how you can turn it off:
Access this link, log in with your Gmail credentials (you are probably already signed in), and turn off "ad personalisation", as shown in the image below: