DUBLIN--(BUSINESS WIRE)--Research and Markets (http://www.researchandmarkets.com/research/6w43pp/digital_signage) has announced the addition of the "Digital Signage M2M and IoT Applications" report to their offering. Digital signage is today used in numerous market verticals such as retail, healthcare, transportation, office and enterprise, education, foodservice and outdoor signage. At the end of 2014, there were approximately 25.4 million connected digital screens in use worldwide. According
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