| 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,??? says Jed Williams, BIA/Kelsey???s vice president, consulting. ???Over the past year, however, Facebook, Twitter and other networks have generated dramatic revenue growth, primarily as a
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