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 13.3-inch Ultrabooks, such as the Acer Aspire S7. Of course, the Helix is a hybrid device that can be used in more ways than one--you aren't saddled with the keyboard like a laptop." Chang concluded, "With a starting price of US$1,499, the ThinkPad Helix is pretty expensive, even for Ultrabook convertibles. However, its business slant means that companies, which can afford the premium price for the extra security and enterprise features, are most likely the ones to purchase the Helix." In another review published by "CNET" editors wrote, "There's a lot to like about the Lenovo ThinkPad Helix. The engineers