Global Digital Pen Market Assessment, By Product [Handwriting Pen, Scanning Pen], By Technology [Accelerometer-Based, Active-Based, Camera-Based, Trackball-Based, Electro Magnetic Resonance Technology, Others], By Platform Type [Android, IOS, Windows], By Connectivity [Wired Digital Pen, Wireless Digital Pen], By Price Range [Value Segment, Premium Segment], By End-user [BFSI, Healthcare, Manufacturing, Government, IT and Telecom, Others], By Distribution Channel [Offline, Online] By Region, Opportunities and Forecast, 2017-2031F