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In the United States, the Super Bowl has very high ratings, according to AC Nielsen rating survey, average viewership of 40-60% about 40% to the audience watching it for a long time, remaining as the viewers at any one time watch. Approximately 80-90% viewers watched the Super Bowl any time.Maximum ratings is the 15th of the Super Bowl, the average rating for 49.1%, received Nielsen rating in the investigation are all of the program's fourth-largest, in addition to the 12th, 17th and 20th TV program in one of the top ten program. The high rating under the leadership, attracting publicity during the Super Bowl, many enterprises, these are the new ads, some of the audience watching the Super Bowl just to watch the new ads, and half-time performances.In addition, the Super Bowl also synchronize live all over the world in recent years, with the 41st Super Bowl as an example, more than 200 regional and national broadcast and broadcast the Super Bowl game.