> ads would be the last resort Interestingly, Larry Page & Sergey Brin wrote something similar in their paper about Google; See Apendix A in http://infolab.sta

> ads would be the last resort Interestingly, Larry Page & Sergey Brin wrote something similar in their paper about Google; See Apendix A in http://infolab.stanford.edu/pub/papers/google.pdf http://infolab.stanford.edu/pub/papers/google.pdf.