A good friend of mine is one of those environmentalist types. He saves water, composts his food scraps and would never buy a fuel-guzzling car. He also has an unusual job – he makes money online using methods which, let’s say, are not in line with Google’s best practices. The job involves setting up a few dozen websites and rapidly building thousands of links to them in order to get them ranked in Google. This enables him to sell a few thousand dollars’ worth of product before Google discovers these sites and de-lists them from the index for violating their guidelines. The process is