Many people watched the first program in the seventh season of Game of Thrones Sunday night. This was the beginning of the second-to-last season for the award-winning television series. The series is the creation of American cable and satellite television network HBO, or Home Box Office. Game of Thrones is available mainly in the United States and other English-speaking countries, such as Australia and Britain. About 8 million people watched the last episode of season six, which came out last June. Add in people who watched the show on a computer or electronic device, and the total was over 20 million. With that many people watching, it is no surprise that “Game of Thrones” was a hot subject Monday morning. In the U.S. alone, over 5 million people searched Google for keywords related to the show. Game of Thrones was also the top entertainment subject on Facebook.