a9 discount

September 16, 2004

Just noticed a fancy little formula (π/2%) by the logo on the Amazon homepage, and noticed it changed to say “A9 instant reward on” when I moused over it. It opened a pop up window telling about a discount for using A9, so I thought I’d let you all know: (which, I’m sure, is exactly what they are hoping for)

John Chandler, since you’ve been using A9.com recently, virtually everything at Amazon.com is automatically an additional π/2% (1.57%) off for you. Collecting this discount is zero effort on your part. It will be applied automatically at checkout (it will happen whether you use the shopping cart or our 1-Click Shopping®). You don’t need to do anything to get this discount except keep using A9.com as your regular search engine.

We don’t advertise this additional discount that we give in exchange for using A9.com, so if you want your friends to know about it, please tell them. It is probably the only way they’ll find out. All they have to do is use A9.com as their regular search engine. They should make sure they are signed in to A9.com (it should be recognizing them by name) so that we can be certain they get credit for their visit.

While the π/2% discount is a good additional reason to use A9.com it isn’t the best reason. A9.com licenses its web search results from the industry leader Google, and then supplements those results with Amazon’s Search Inside the Book™ results. The coolest feature is that A9.com keeps track of your search history for you on the server side. To see how this works, do some A9 searches from your computer at work and then sign in to A9.com from your computer at home.

How can we afford this additional π/2% discount?

Because of sponsored links (the small text-based ads you see on search results pages), web search has turned into a highly profitable business. The search engines are making a significant amount of money every time someone clicks on one of those ads. With our automatic π/2% discount, we are effectively sharing with you some of the money we collect from sponsored links, i.e. sharing the pi.

Please use A9.com and tell your friends.

Thank you

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