For what it's worth, Expedia actually uses its own fare search and pricing engine, called Best Fare Search. http://www.tnooz.com/2010/05/10/news/if-google-rein

For what it's worth, Expedia actually uses its own fare search and pricing engine, called Best Fare Search. http://www.tnooz.com/2010/05/10/news/if-google-reins-in-ita-software-would-expedia-ride-to-metasearch-rescue/ http://www.tnooz.com/2010/05/10/news/if-google-reins-in-ita-... If anything if Google acquires ITA and exercises tyrannical control over the data, it could open a door for Expedia to license their data to companies like Kayak and TripAdvisor.