(19)

(11)

EP 2 384 476 A1

(12)

(43) Date of publication: 09.11.2011 Bulletin 2011/45 (21) Application number: 09839446.3 (22) Date of filing: 28.10.2009

(51) International Patent Classification (IPC):  G06F 17/00(2006.01) (86) International application number: PCT/US2009/062318 (87) International publication number: WO 2010/087882 (05.08.2010 Gazette 2010/31)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR (30) Priority: 30.01.2009 US 362840 (71) Applicant: CBS Interactive Inc. Wilmington, DE 19808 (US)	(72) Inventors: PRADHAN, Tushar San Francisco CA 94105 (US) OSBORNE, Thomas San Francisco CA 94105 (US) POTTER, John San Francisco CA 94105 (US) (74) Representative: Potter, Julian Mark  W.P. Thompson & Co. 55 Drury Lane London WC2B 5SQ London WC2B 5SQ (GB)