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,
Lenovo ThinkPad 10, a new tablet computer; and Cortana integration with Lenovo devices and software, including REACHit, which extends Cortana's search functions to non-Microsoft services. ZUK, a separate company formed by Lenovo in 2014, announced several products at Tech World, These included slim power banks, 3D printers that can print food such as chocolate, an outdoor sound box, and a Wi-Fi based control system for home automation. Lenovo launched a multi-year advertising campaign called "Goodweird" in the last half of 2015. Goodweird is designed to convey the idea that designs that seem strange initially often become familiar and widely accepted. The