Global Ultra Portable Internet Devices Market Size, Share & Demand Report By Device Type (Mini Laptops & Netbooks, Handheld Internet Tablets, Ultra-Mobile PCs, Rugged Ultra Portable Devices, Convertible & Detachable Devices), By Operating System (Windows, Android, Linux, Proprietary OS), By Connectivity (Wi-Fi Only, Wi-Fi + 4G LTE, Wi-Fi + 5G, Satellite), By End Use (Consumer, Education, Enterprise, Industrial, Defense), By Distribution Channel (Online, Offline, Government & Enterprise Procurement), By Region & Segment Forecasts, 2025–2030