See and Delete Your Google Activity
My Activity, the latest product of Google, collects all the data when you use Google services, and delete any data that you do not want to share with others.
Activate Google Voice
Delete Your Activity Data Stored By Google or Youtube or Android
This is about what does Google know about which is very important to you. So many people around the world people have a different perception, and how to delete the track information if they want.
What is Google - My activity and How to Access It
This is about how Google is monitoring your every move. You can now actually see exactly what it is that they're monitoring.