PT - JOURNAL ARTICLE AU - Geoffrey Precourt TI - What Do We Know About Social Media? AID - 10.2501/JAR-54-1-004-005 DP - 2014 Mar 01 TA - Journal of Advertising Research PG - 4--5 VI - 54 IP - 1 4099 - http://www.journalofadvertisingresearch.com/content/54/1/4.short 4100 - http://www.journalofadvertisingresearch.com/content/54/1/4.full SO - J Advert Res2014 Mar 01; 54