I'll be the guy who links to Wikipedia: http://en.wikipedia.org/wiki/Usage_share_of_operating_systems http://en.wikipedia.org/wiki/Usage_share_of_operating_sys

I'll be the guy who links to Wikipedia: http://en.wikipedia.org/wiki/Usage_share_of_operating_systems http://en.wikipedia.org/wiki/Usage_share_of_operating_system... The Wikipedia page summarizes the data from Net Applications (the data source for the article), Stat Counter and other popular sources. They break out mobile separately, but as for Chromebook, the numbers I've seen are very low (< 1%), so it probably gets lumped in the "Others" category.