Swift has high Q Score and Davie-Brown Index ratings, reflecting a high level of public awareness (90 percent) and popularity (80 percent) in the U.S.[354] The singer considers it her "responsibility" to be conscious of her influence on young fans.[355] A Rolling Stone journalist who profiled Swift in 2009 remarked upon her polite manners: "If this is Swift's game face, it must be tattooed on because it never drops."[356][357]