Google used a secret program called "Bernanke" that used historical bidding data to give its ad-buying system a major advantage over its rivals, an antitrust lawsuit filing claims, a program that earned the company hundreds of millions of dollars in revenue.Google is in the process of dealing with an antitrust lawsuit from a group of state attorneys general, about its advertising technology and ad industry dominance. In a response to the lawsuit filed by Google in early April, the search company accidentally let slip of some of its behind-the-scenes work.In the initial version of the filing, seen by the Wall Street Journal, Google failed to properly redact some sections, revealing the secretive business elements. A federal judge allowed Google to refile the properly-redacted version under seal.Read more
