Global Education Technology (Ed Tech) and Smart Classrooms Market By Type (Hardware (IWB , Projectors , Displays , Printers) , Systems (LMC , LCMS , LCDS , SRS , DMS) , Technologies (Gaming , Analytics , and ERP ), By Application (Kindergarten , K-12 , and Higher Education), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029