Originally introduced by Netscape Communications,（ ）are a general mechanism which HTTP Server side applications, such as CGI （ ） , can use to both store and retrieve information on the HTTP（ ） side of the connection. Basically, Cookies can be used to compensate for the （ ）nature of HTTP. The addition of a simple, persistent, client-side state significantly extends the capabilities of WWW-based （ ） .
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