RT Journal Article SR Electronic T1 Digital Engagement: Opportunities and Risks for Sponsors JF Journal of Advertising Research JO J Advert Res FD WARC SP 341 OP 345 DO 10.2501/JAR-2016-040 VO 56 IS 4 A1 Angeline Close Scheinbaum YR 2016 UL http://www.journalofadvertisingresearch.com/content/56/4/341.abstract AB