Why Microsoft isn’t going to dump Windows RT

In the days following Microsoft’s $900 million Surface RT write-down, many have been questioning Microsoft’s stated plan to remain committed to Windows RT and Surface RT.

Is Microsoft really going to continue to sink resources into an operating system that’s different from its core Windows 8 one, especially given that the new devices and services company made only $853 million (revenues, not profits) from its Surface RT and Pro sales through June 30?