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Cookies - A light-hearted look


     Cookies are a poor misunderstood creature. Although it is true that a cookie can be used for evil, cookies themselves are inherently helpful. The only thing a web cookie wants to do is help, anyway it can. Some evil webmasters have turned their cookies to evil, and by doing so have created a lot of problems for the rest of us white-hat programmers. But just as most programmers don't write malicious codes, most webmasters don't write malicious cookies.

The real deal on cookies:
     Cookies are a small file (cannot be more than 4kb), which resides on your hard drive, and that you have complete control over. When you return to a website that "baked" the cookie for you, your browser automatically sends the cookie back to the website. The cookie can contain data given in pairs or keys of data (ie. "datatype=data"). Most cookies are only good for the session, and are used by most e-commerce sites to track your stuff as you place orders, and look at what they have available. Without cookies a lot of E-Commerce sites wouldn't function. Cookies cannot be viewed by any website except for the one that sent you the cookie in the first place.

Some uses for cookies:
     Web designers are making more and more use of cookies, they can store up to 250 keys, so you can store preferences on views, regional information, and all sorts of stuff in cookies, that way, when you return to a website, it can have larger fonts for those of you with less than perfect eye site, news and weather information can be given to you based on where you live, and websites can remeber who you are without you having to log-in everytime you visit the site, Using cookies also puts less of a load on the webservers, so that you can get swifter responses, and a more pleasant experience overall. Basically using cookies a website can be completely personalized to your preferences.

So why the bad rap:
     A while back there was a company that supplies advertising to webpages. What this company did, was that in the ads which they supplied to webpages they would create, and then look for cookies that they placed on your computer, in this way they could track your course through the internet, whenever you went to a page that had one of their ads on it, they could also see what ads you clicked on. The information they collected was totally annonymous, and was only tracked by an ID # in the cookie. A reporter got ahold of this and raised a big stink, some would say rightfully so. Unfortunately the reporters facts were a little skewed, and instead of blaming the advertising company for what was an underhanded trick, Cookies were instead put at fault. That is how cookies got such a bad rap.


Last updated: May 31, 2002