Winter may have been coming during the Season 7 premiere of ?Game of Thrones? on Sunday, but in other, slightly more sordid segments of the entertainment industry, the season debut of HBO?s fantasy series also had a chilling effect. During Sunday?s season premiere, leading adult-video outlet Pornhub experienced a 4.5 percent traffic drop nationwide. That?s a ?considerable change,? Pornhub noted, given that ?Sunday night is one of the most popular times for people to visit Pornhub.?