These small, light and full-featured systems exemplify IBM's legendary ThinkPad heritage and expertise - including innovative design and industry-leading technology, combined with enhanced ease-of-use and connectivity solutions - in a single product. The X Series indicates an extra-light, extra-small ultraportable notebook computer for users who are extremely mobile. Consistent with IBM's Edge-of-the-Network (EoN) strategy, an initiative which helps customers take advantage of e-business solutions by delivering products that are end-user optimized and easy to use, ThinkPad X Series models provide a pack of powerful features. Titanium composite construction protects the X Series from the wear and tear of travel.