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Revenue figures are for full-year 2009. Circulation/audience figures are self-reported unless otherwise noted. * Publishers Information Bureau ** BPA Worldwide *** Audit Bureau of Circulations **** IMS-The Auditor ***** TNS Media Intelligence ******Compete.com † Nielsen †† Nielsen Media Research ††† Omniture †††† Google Analytics †††††comScore ^ comScore Hybrid ^^ Hitbox ^^^ WebTrends ^^^^ Bloomberg Web Properties ^^^^^ Visual Sciences
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