68 Views Article Tags: 5500 devices · AdDuplex · convertibles · Market Share · Report · Surface RT · Tablets · Windows 8 RT Article Categories: Microsoft · Notebooks/Ultrabooks · Windows 8 · Windows 8 RT By Mike Johnson Mike Johnson is a writer for The Redmond Cloud - the most comprehensive source of news and information about Microsoft Azure and the Microsoft Cloud. He enjoys writing about Azure Security, IOT and the Blockchain. https://www.theredmondcloud.com