Lenovo sells its products in around 160 countries. Lenovo's principal facilities are in Beijing and Morrisville, with research centers in Beijing, Shanghai, Shenzhen, Xiamen, Chengdu, Nanjing, and Wuhan in China, Yamato in Kanagawa Prefecture, Japan, and Morrisville in the U.S. It also has a joint venture with NEC, Lenovo NEC Holdings, which produces personal computers for the Japanese market. Lenovo was founded in Beijing in November 1984 as Legend and was incorporated in Hong Kong in 1988. Lenovo acquired IBM's personal computer business in 2005 and agreed to acquire its Intel-based server business in 2014. Lenovo entered the smartphone market in
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