OS X share up 29% in past year, slowly chipping away at MicrosoftOS X share up 29% in past year, slowly chipping away at Microsoft Web measurement company Quantcast recently began publishing stats on operating system browser share from its sample of quantified publishers. Data shows that in January 2010, Microsoft Windows accounted for 86.8% share of North American web consumption, Apple OS X accounted for 10.9%, and mobile browsers accounted for 1.3%. Apple’s
