I can think of an even better algorithm: 1) When a user enters google.com/search? , scrap the page (pay special attention to their spell corrector) 2) Send al

I can think of an even better algorithm: 1) When a user enters google.com/search? , scrap the page (pay special attention to their spell corrector) 2) Send all the data back to MSFT 3) Profit nicely! It's simpler, and probably works as well as the best competitor out there ;)