A cookie is a set of data in the form of a text file that a webserver sends to the client's browser upon visiting the site, which can be updated with every visit. It is not always apparent to the user when a cookie is received. The remote server saves the information the cookie contains about the user and the user's browser does the same.

Articles on that refer to Cookie

The Age of Intelligent Machines: A Coffeehouse Conversation on the Turing Test By Douglas R. Hofstadter
How to Build a Virtual Human By Peter Plantec
The Pace and Proliferation of Biological Technologies By Rob Carlson
Moot Court Hearing On The Petition Of A Conscious Computer By Martine Rothblatt

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