How the study was conductedA total of 2,020 persons were interviewed to investigate Americans' use of digital platforms and new media. From January 20 to February 19, 2012, telephone interviews were conducted with respondents age 12 and older chosen at random from a national sample of Arbitron's Fall 2011 survey diarykeepers and through random digit dialing (RDD) sampling in geographic areas where Arbitron diarykeepers were not available for the survey. Diarykeepers represent 45% of the completed interviews and RDD sampled respondents represent 55% of the completed interviews. The study includes a total of 500 cell phone interviews.About ArbitronArbitron Inc. (NYSE: ARB) is a media and marketing information services firm primarily serving radio, television, cable, advertising agencies, advertisers, retailers, out-of-home media, and online media. Arbitron's core businesses are measuring and estimating network and local market radio audiences across the United States; providing application software used for analyzing our media audience and marketing information data; and providing consumer, shopping, and other media usage information services. The Company has developed the Portable People Meter ™, a new technology for media and marketing research. About Edison Research Edison Research conducts survey research and provides strategic information to radio stations, television stations, newspapers, cable networks, record labels, Internet companies and other media organizations. Edison Research is also the sole provider of election exit poll data for the six major news organizations: ABC, CBS, CNN, Fox, NBC and the Associated Press. Edison Research works with many of the largest American radio ownership groups, including Entercom, Clear Channel, CBS Radio, Bonneville, Dial Global and Hubbard; and also conducts strategic and opinion research for a broad array of companies including Time Warner, Google, Yahoo!, Sony Music, the Voice of America, See Saw Networks and Zenithmedia. Edison Research has an eighteen year history of thought-leadership in media research, and has provided services to successful media properties in South America, Africa, Asia, Canada and Europe. Portable People Meter ™ and PPM ™ are marks of Arbitron Inc. SOURCE Arbitron Inc.