$99 apparently http://techcrunch.com/2012/02/16/os-x-mountain-lion/ http://techcrunch.com/2012/02/16/os-x-mountain-lion/ but revenue from developers is not the

$99 apparently http://techcrunch.com/2012/02/16/os-x-mountain-lion/ http://techcrunch.com/2012/02/16/os-x-mountain-lion/ but revenue from developers is not the business model here.