Cookies and How We Use Them
1. keeping a track of the session to facilitate your future use of the site and to identify if you join a registration pipeline.
2. conducting research and diagnostics to improve Amazon's content, products and services.
Cookies and Browser Settings
The Help menu on the menu bar of most browsers will tell you how to prevent your browser from accepting new cookies, how to have the browser notify you when you receive a new cookie and how to disable cookies altogether. Additionally, you can disable or delete similar data used by browser add-ons, such as Flash cookies, by changing the add-ons settings or visiting the website of its manufacturer.
Third Party Cookies