When you are browsing and when you do a search in the internet, this information
is stored by google or other applications you are using. It is called the history.
It is recommended that you delete your browsing and search history each time you log out.
You can also select options to automatically clear the history on exit. You will find
several tutorials to do that in the webpage helpful guides
for beginners that will help you keep your information private. Your privacy is important
so visit the site and learn how to do it now. delete history