RT Journal Article SR Electronic T1 Change is the New Constant JF Journal of Advertising Research JO J Advert Res FD WARC SP 351 OP 351 DO 10.2501/S0021849910091543 VO 50 IS 4 A1 Todd Powers YR 2010 UL http://www.journalofadvertisingresearch.com/content/50/4/351.abstract AB