Apple
Apple iOS / Macintosh OS
General Information: Apple Computers
Apple Accessibility http://www.apple.com/accessibility/
Apple Operating Systems
Apple Macintosh OS X
Apple OS X. "Designed with your abilities in mind" http://www.apple.com/accessibility/osx/
Apple iOS
Apple iOS. "A wide range of features for a wide range of needs" http://www.apple.com/accessibility/ios/
iOS 8 Accessibility Features Delivers in the Details http://www.interactiveaccessibility.com/blog/ios-8-accessibility-features-delivers-details#.V-FMj4-cG1g
Accessibility on iPad (and other IOS) [Bradley Lands] (YouTube, Oct 2013, 3:38) http://www.youtube.com/watch?v=eiG9yMKaszk
Specific Built-in Features
Accessibility Shortcuts [Command-F5]
VoiceOver
built-in screen reader
VoiceOver "VoiceOver is a gesture-based screen reader ... With VoiceOver enabled, just triple-click the Home button to access it wherever you are in iOS. Hear a description of everything happening on your screen, from battery level to who’s calling to which app your finger’s on. You can adjust the speaking rate and pitch to suit you." (from VoiceOver for iOS http://www.apple.com/accessibility/ios/voiceover/ )
VoiceOver for iOS http://www.apple.com/accessibility/ios/voiceover/
VoiceOver for iOS X http://www.apple.com/accessibility/osx/voiceover/
VoiceOver Getting Started https://www.apple.com/voiceover/info/guide/
Using VoiceOver to Evaluate Web Accessibility [WebAIM] http://webaim.org/articles/voiceover/
Using VoiceOver to Evaluate Web Accessibility [WebAIM] http://webaim.org/articles/voiceover/
Appendix A. Commands and Gestures https://www.apple.com/voiceover/info/guide/_1131.html
VoiceOver for Mac: Navigation commands for VoiceOver https://support.apple.com/kb/PH22497?viewlocale=en_US&locale=en_US
VoiceOver Makes Apple Devices More Accessible Than Ever http://www.makeuseof.com/tag/voiceover-makes-apple-devices-accessible-ever/
iOS & Android Screen Reader Gesture Reference Cheatsheet [VoiceOver for iOS and TalkBack for Android] http://www.interactiveaccessibility.com/blog/mobile-screen-reader-gestures#.V0SSQI-cEdU Evaluate Materials Using a Screen Reader
Dictation
built in Macintosh Voice Recognition
Use your voice to enter text on your Mac https://support.apple.com/en-us/HT202584
Mac Basics: Dictation lets you speak text instead of typing https://support.apple.com/kb/HT5449
Dictation lets you talk where you would type http://mac.appstorm.net/reviews/os-x-reviews/everything-you-need-to-know-about-dictation-in-os-x-mavericks/
Speech
Zoom, Display
Captions
Audio
Interacting Features (Keyboard, Mouse/Trackpad, etc)