Google Web History let’s you search across web pages you’ve visited in the past, including Google searches. You might be concerned that Google is tracking you and has access to your searching data.
How to turn off ?
If you’d like to delete the Web History service from your Google Account, click on the “My Account” link from the Google homepage and click on “Edit” next to “My services”. Then select “Delete Web History”. Make sure you’re signed in to your Google Account to see the “My Account” link.
Should you worry about privacy issues? Want to opt out more quickly?