Crap! MacBook Air (2012 model) battery now lasts for 6 hours.anyone not updated to Mountain Lion 10.8.2 should do it now.Lots of improvement

http://twitter.com/sharaff/status/249161473635532800 Crap! MacBook Air (2012 model) battery now lasts for 6 hours.anyone not updated to Mountain Lion 10.8.2 should do it now.Lots of improvement