Initial Thoughts on iOS 9’s iPad Multitasking: A Deep Transformation – MacStories
www.macstories.net/stories/initial-thoughts-on-ios-9s-ipad-multitasking-a-deep-transformation
From the page
Saved with the link. Notes from 2007 to 2016 are mostly the page's own words, so this is probably an excerpt.
Initial Thoughts on iOS 9's iPad Multitasking: A Deep Transformation