What are Cookies?
Cookies are a text string that a web site includes with HTTP (Hypertext Transfer Protocol) requests and responses. Cookies can be used to personalize Web search engines, remember user name and passwords, store shopping list items when shopping online, store your personal identifiable information you share online and to personalize sites to your taste (like this web sites Switch Styles feature).
Cookies cannot be used to run code, run programs or to deliver viruses to your computer. Disabling cookies does not make you anonymous or prevent Web sites from tracking your browsing habits. HTTP requests still include information about where you came from (HTTP Referer), your IP address, browser version, operating system, and other information.
Cookies store information on your computer
This test demonstrates the ability to store information in a cookie text file on your computer. With java script code I can place a cookie on your system and track how often you visit this page. If you delete the cookie by clearing out your browser's cache, the hit count will reset to zero.
Where are my Cookies located?
Internet Explorer 6.0 - On your task bar, select Tools, then Internet Options.
Under the tab General click Settings, then View Files.
Double click the icon ( 
) to view the Cookie file.
Internet Explorer 7.0 - select Tools, then Internet Options. Under Browsing History select Settings, then select View Files.
Netscape Navigator 7.0 - On your Task Bar click Tools, Cookie Manager, then select Manage Stored Cookies.
Firefox Browser - On your Task Bar click Tools, Options, Select Privacy icon, click Cookies tab then View Cookies.