RT Journal Article SR Electronic T1 The Globalization of Social Media JF Journal of Advertising Research JO J Advert Res FD WARC SP 564 OP 570 DO 10.2501/JAR-51-4-564-570 VO 51 IS 4 A1 Graeme Hutton A1 Maggie Fosdick YR 2011 UL http://www.journalofadvertisingresearch.com/content/51/4/564.abstract AB