Slide rule

... between makers. Lenovo's sales were flat, whereas HP's fell by 23.7% and Acer's plummetted by 31.3%. Even Microsoft's new Windows 8, which was released last October and which manufacturers hoped would buoy sales, could not reverse the decline. A few ...

http://www.economist.com/blogs/babbage/2013/04/personal-computers?fsrc=rss