Updated: 5/16/2006; 12:47:40 PM.

Ken Novak's Weblog
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daily link  Saturday, January 28, 2006


The sparring and spin of the Google dance:  "To test the effectiveness of these tactics, the Guardian created a spoof site and tried to force it up Google's rankings. Over one week, a number of tricks - some similar to those used by black-hat firms - were used to successfully push it to the top.

The spoof site was set up to promote eco-friendly flip-flops, a bogus product promising zero harmful emissions. The simple page featured a disclaimer to make the nature of the experiment clear, and a picture of the goods. At the start of the experiment, there were more than 11,500 results for "eco-friendly flip-flops" on Google, and the spoof site did not feature. Within two days of creating the site, Google's spider - the program that explores the web - had discovered the site and included it in its main index, but it appeared within the lowest 100 pages.

A second site was created which contained a large number of links to the first. Because Google rates the authority of a site partly by how many times they have been linked to, this ploy can makes a site appear popular. Within hours, the effect was apparent - the spoof site was now the top result in our test search, trumping the other 11,500 sites within days."
  4:57:28 PM  permalink  

Ethanol, oil and GHG:  Good summary of the issues, based on a UC Berkeley paper.  Bottom lines:  All forms of US-produced ethanol displace a lot of oil (typically 95% less petroleum used).  Greenhouse gases (GHG) are cut slightly (13%), due to the use of natural gas and even coal to heat the production of the ethanol from corn.  How the corn is grown makes a big difference (e.g., low tillage).   Future cellosic ethanol is projected to cut GHG dramatically (80%).  No data is provided for Brazilian cane production, which uses corn stalk bagasse for heat instead of natural gas or coal, which I have read elsewhere results in high GHG displacement.
  12:25:15 AM  permalink  

 

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Last update: 5/16/2006; 12:47:40 PM.