Lenovo third-largest computer maker worldwide by volume. In regards to the purchase of IBM's personal computer division, Liu Chuanzhi said, "We benefited in three ways from the IBM acquisition. We got the ThinkPad brand, IBM's more advanced PC manufacturing technology and the company's international resources, such as its global sales channels and operation teams. These three elements have shored up our sales revenue in the past several years." IBM acquired an 18.9% shareholding in Lenovo in 2005 as part of Lenovo's purchase of IBM's personal computing division. Since then, IBM has steadily reduced its holdings of Lenovo stock. In July 2008,
ThinkPad stylus and the styling add up to a distinctive slate that doesn’t merely attempt to ape Apple's iPad." In order to celebrate the 20th anniversary of the ThinkPad, Lenovo held a large party in New York where it announced several products, including the Tablet 2. Lenovo says that the ThinkPad Tablet 2 will be available on 28 October 2012 when Windows 8 is released. The ThinkPad Tablet 2 runs the Windows 8 Professional operating system. It will be able to run any desktop software compatible with this version of Windows. The Tablet 2 is based on the Clover Trail version