At 10:24 AM 7/1/96, Scott Wyant wrote:
At 12:43 PM 6/30/96 -0700, jon@aggroup.com wrote:
From: Scott Wyant <scott_wyant@loop.com> Subject: COMMENT:
If you're like me, you never went to a site called "doubleclick." So how did they give you a cookie? After all, the idea of the cookie, according to the specs published by Netscape, is to make a more efficient connection between the server the delivers the cookie and the client machine which receives it. But we have never connected to "doubleclick."
Scott must have. Navigator is very picky about where a cookie comes from and what is put in the domain field of the cookie.
Nope. I'm afraid your information is incorrect here. I've also watched other sites hand me a double-click cookie.
The way doubleclick works is that the sites who contract with them to sell advertising space insert a URL into their page which fetches the doubleclick ad banner. For example, the guys at TroutHeads, Inc. (www.troutheads.com) would insert an HTML IMAGE tag with an HREF referring to ad.doubleclick.net; that then results in _your_ browser doing an HTTP transaction with ad.doubleclick.net; doubleclick can then hand you all the cookies it wants. Anytime you fetch an image, you're visiting a site, and because it's automatic, you can easily visit a lot of sites you never knew you were going to.
From <URL:http://www.doubleclick.net/web_sites/htmlchange.htm>:
For any HTML document you wish to display an ad banner for, simply add the following HTML tags: <CENTER><A HREF="http://ad.doubleclick.net/jump/MY_URL"> <IMG SRC="http://ad.doubleclick.net/ad/MY_URL" WIDTH=468 HEIGHT=60 ISMAP></A> <BR><FONT SIZE="2">Click on graphic to find out more!</FONT></CENTER> Where MY_URL is the URL for the HTML document displaying the ad banner. For example: <CENTER><A HREF="http://ad.doubleclick.net/jump/www.iaf.net/htmlchange.htm"> <IMG SRC="http://ad.doubleclick.net/ad/www.iaf.net/htmlchange.htm" WIDTH=468 HEIGHT=60 ISMAP></A> <BR><FONT SIZE="2">Click on graphic to find out more!</FONT></CENTER> - Tim Tim Dierks - Software Haruspex - tim@dierks.org "...when ketchup finally comes out of the bottle, it is going a good 25 miles a year.... It rolls along at three-thousandths of a mile an hour. Heinz knows the speed because it has a device called a Bostwickometer, a chutelike contraption that calculates the speed at which ketchup travels." - The New York Times, June 12, 1996