http://www.nytimes.com/2006/06/29/technology/29google.html “More broadly, the data the company gets from transactions could help it improve the way it chooses which advertising to show to which users. Google says it does not currently plan to use transaction data in this way.” It’s going to become more and more difficult for Google (and other companies) to ignore this information in the future—knowing exactly how profitable individual users are is incredibly valuable. Does Google earn or lose money from your use of Google mail? 09:35