CHICAGO--(BUSINESS WIRE)--Two industry innovators have announced platform-level integration engineered to enhance reader experience and shape the future of publishing. ePublishing, the leading Cloud-based Software as a Service (SaaS) provider of an Enterprise Publishing System integrating Content Management, Mobile, eCommerce and Audience Management solutions for media companies and Hallmark Data SystemsTM, a division of EBSCO, the leading Cloud-based SaaS audience data and marketing services p