Excellent article. Last year both Mac sales and Windows sales declined YoY. Only one "desktop" grew. ChromeOS is Linux base and grew over 35% YoY. Still small numbers but is now #2 in the US and growing quickly.

"Chromebooks surpass Macs in U.S. sales for the first time"

http://www.zdnet.com/article/chromebooks-surpass-macs-in-u-s...