This is the third edition of interesting search engine news. There are a lot of new things going on in the search engine business. If you missed my 2 other editions, you might check them out here: Edition 1 - Edition 2. But search engine news is changing fast, so better stay tuned in this post 
This is a real step forward for Yahoo! If someone from for example New York is searching for a car, they get relevant ads in the search engine for car dealers in New York. This is way better than before. If someone that is searching for cars living in New York gets ads for Cars in Mexico or whatever, he might not give it the attention it deserves. Google is still leading, but this improvement is a step in the good direction.
Top Google Adsense Ad is Highest Paying Ad:
Google AdSense employee: “I can confirm that in the general ad auction, our system will target the highest-paying ads to the ad unit implemented first in your HTML, working down through the auction results to fill in the rest of your ad units in order.” This is something we already “knew”, but nice to see it confirmed.
New Google Patent for Extracting Facts from Web Pages:
This new invention provides methods and systems for using a janitor to process facts extracted from the web. For example: a web page can list a series of presidents in a first column of a table and list their dates of births in another column. Search engines are really getting smart 
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July 7th, 2007 at 3:41 pm
I always wondered if AdSense actually displayed the highest paying ad first or not. Good to know they do!
July 7th, 2007 at 4:03 pm
Yeah, it is good to know they do
July 10th, 2007 at 8:36 am
The info about Adsense is right, top pays highest usually, because people click it less