"ARC runs Windows, Mac, Linux, and Chrome OS thanks to Native Client (abbreviated "NaCL"). NaCL is a Chrome sandboxing technology that allows Chrome apps and pl

"ARC runs Windows, Mac, Linux, and Chrome OS thanks to Native Client (abbreviated "NaCL"). NaCL is a Chrome sandboxing technology that allows Chrome apps and plugins to run at "near native" speeds" Straight out of the MS playbook, 'lets use our dominant browser as a pincer move to gain developer/market share'.