Universal Portable Keyboard

Mobile World Congress is in full swing today and Microsoft woke the press up early to discuss new features coming to their smartphone and tablet space. Top of the bill, presented by Stephen Elop, are the new Lumia 640 and Lumia 640XL devices. The regular 640, with it 5-inch HD display comes as the upgrade from the 630, whereas the 5.7-inch XL version sits as the move up from the large Lumia 1320. Both devices will be available in 3G and LTE versions, with single and dual SIM in both of those depending on the market. The 640 uses a Snapdragon 400-series quad core processor at 1.2 GHz featuring Gorilla Glass 3, 1 GB of DRAM and 8 GB of storage. One might expect SD...