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In page Knute Rockne:

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Rockne also recognized that intercollegiate sports had a show-business aspect. Thus he worked hard promoting Notre Dame football to make it financially successful. He used his charm to court favor from the media, which then consisted of newspapers, wire services and radio stations and networks, to obtain free advertising for Notre Dame football.[citation needed] He was successful as a promoter for South Bend-based Studebaker and other products.[citation needed] Through sustained effort, work with Studebaker, several side jobs,[citation needed] and coaching at the University of Notre Dame Rockne eventually earned an income of $75,000 from all his financial activities combined.[8][9][10]