Related: two previous posts on the patterns in Android adoption rates (December 2013, March 2014), a post contrasting iOS and Android adoption patterns, and a post from last month on iOS 9 adoption.
Related: Apple Topic Page, and a previous post on iOS and Android adoption patterns, as well as two earlier posts (1, 2) on Android versions in use.
Last week, following the release of iOS 9 by Apple, Mixpanel (along with other analytics firms) began…