This is a good analysis of extending and understanding your business model.

The Google Brilliance applied to Newspapers and Local Media - Blog Maverick

Google realized early on that they are in the traffic monetization business. They started off in the search business, but quickly realized that while continuously improving search was important, continuously improving search and page view monetization was more important. This small step for Googlekind meant that “the not searched for here” syndrome was quickly eliminated and Google search was put everywhere and anywhere that could create incremental content.

From Google Answers ( which had stop the service), are answers to some very interesting questions:

Google Answers: Can you drink water from an Air Con?

All facility managers should know that air-conditioning systems and cooling towers are a potential breeding ground for Legionella bacteria … Their ability to survive and reproduce in poorly maintained water systems has given rise to the threat of Legionnaires’ disease…

Here’s also another interesting note on how a fly survived in a microwave for a minute.