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
ThinkPad Helix ThinkPad Helix Lenovo ThinkPad Helix refers to two generations of 2-in-1 convertible tablets that can be used as both a conventional ultrabook and a tablet computer. The first-generation Helix was announced at the 2013 International CES and was released on 21 May 2013. A second-generation Helix came out in 2014. In March 2013, Lenovo said that the ThinkPad Helix would launch in April in the United States. Launch dates in other countries will vary. The Helix was announced at the 2013 International CES. Lenovo touts the device as a “high performance Ultrabook with a detachable Windows 8 tablet.” The starting