Lenovo 40% of the market for Windows computers priced above $900 in the United States. The ThinkPad is a line of business oriented laptop computers known for their boxy black design, modeled after a traditional Japanese lunchbox. ThinkPads were originally an IBM product; they have been manufactured and sold by Lenovo since early 2005, following its acquisition of IBM's personal computer division. The ThinkPad has been used in space and is the only laptop certified for use on the International Space Station. The ThinkCentre is a line of business-oriented desktop computers which was introduced in 2003 by IBM and since has
ThinkPad Tablet studies and sharpened pencils were used to study the appropriate length with users. The final pen developed based on this was 120 mm long. The ThinkPad Tablet was launched with an optional, dedicated . The folio offered a Lenovo keyboard and an optical trackpoint. The presence of this folio was appreciated by PC World as well, with the reviewer calling the folio the Tablet’s best feature. The folio was designed to offer users of the ThinkPad Tablet a typing experience similar to that of a ThinkPad laptop, as well as cursor control. The full-size keyboard on the folio reputedly offered