Global Optical Storage Device Market By Type (CD and DVDs, Erasable and Re-Writable Optical Discs, Near Field Optical Devices, Holographic Storage, High Definition DVD (HD-DVD), Blu-Ray Discs (BDs), Others), By Application (Financial Services and Insurance, Entertainment and Media, Manufacturing Industry, Banks, Educational Institutes, Healthcare, Others), By Region and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2019–2028