Today, it's pretty safe to assume that anyone who is using your site can use cookies, since nearly every site that is non-static makes use of them(including all ASP sites that use sessions). This article covers how to set and read cookies.
A cookie is a small file that the server stores on the user's computer. Cookies are very useful and you can use them to store password, user last visit, etc.
Cookie: A small amount of information sent by a Web server to a Web browser, saved by the browser, and sent back to the server later. Cookies are transmitted inside the HTTP header.
These three simple techniques combine persistent cookie management and creative redirects to give users a consistent experience as they move through sites in different subdomains and domains
There are a wide variety of things you can do with cookies. They are used to store information about user, visited pages, last visits and etc. The main purpose of cookies is to identify users and possibly prepare customized Web pages for them.
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