1. Find out what Google thinks about you
In order to serve relevant ads, Google collects data about you and creates a profile. You can control and review the information Google has on you here:http://www.google.com/settings/ads/
Google also has a tool called Google analytics that helps publishers see what pages you have viewed on their website, how many times you have visited it, how long did you stay etc. You can opt out if you don’t want this type of data to be collected:
http://tools.google.com/dlpage/gaoptout
2. Find out your location history
If you use Android, your mobile device may be sending your location to Google. You can see your entire location history here:https://maps.google.com/locationhistory
3. Find out your entire Google Search history
Google saves every single search you have ever done. On top of that, they record every Google ad you have clicked on. This log is available in Google web history controls:https://www.google.com/history/
4. Get monthly security and privacy report from Google
Google offers an Account activity page that tells you about all the Google services you are using. You can even enable a monthly report that will be sent to your email:https://www.google.com/settings/dashboard
5. Find out all the apps and extensions that are accessing your Google data
The Account activity page also offers a list of all the apps that have any type of access to your data. You can see the exact type of permissions granted to the app and revoke access to your data here:https://security.google.com/settings/security/permissions
6. Export all of your data out of Google
Google lets you export all your data: bookmarks, emails, contacts, drive files, profile info, your YouTube videos, photos and more here:https://www.google.com/takeout
BONUS
Google also keeps a history of your YouTube searches. You can find it here:https://www.youtube.com/feed/history/search_history
Source: http://www.google.com/goodtoknow/online-safety/security-tools/
How TO Delete This
But fear not, as there is a way to delete everything Google knows about you. Here's how...
1. Log into your Google account
2. Go to 'https://history.google.com/history/' - This is your 'Web & App Activity' page
1. Log into your Google account
2. Go to 'https://history.google.com/history/' - This is your 'Web & App Activity' page
3. Change the history from 'last week' to 'all time'
This brings up a list of all the web pages you've ever searched. Yes, ALL of them.
4. Select 'Today' and press 'Delete'
Unfortunately, Google only lets you delete your history day by day, so while it will take a while to delete your entire web history, it's worth knowing that you can.
AND if you want to know what types of ads Google targets for you...
1. Log into your Google account
2. Go to 'https://myaccount.google.com/'
3. Click on 'Ads settings' under 'Personal info & privacy'
AND if you want to know what types of ads Google targets for you...
1. Log into your Google account
2. Go to 'https://myaccount.google.com/'
3. Click on 'Ads settings' under 'Personal info & privacy'
4. Click on 'Manage ad settings'
And everything Google thinks they know about your interests is there, including the types of ads they would show you.
5. You can then deselect your interests or even turn off the ads based on your interests.
6. If you want to go even further, click on 'Control signed out ads' to turn off any and all interest-based ads.
6. If you want to go even further, click on 'Control signed out ads' to turn off any and all interest-based ads.
you have officially deleted yourself off the face of the Internet... At least for advertisers.
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