| http://www.w3.org/ns/prov#value | - ???We were initially skeptical about the social-mobile market???s ability to capture optimal wallet share because of mobile???s limitations, such as smaller screen size, limited ad inventory and static creative,??? explains Jed Williams, VP of consulting at BIA/Kelsey. ???Over the past year, however, Facebook, Twitter and other networks have generated dramatic revenue growth, primarily as a functi
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