Apple labeled Android a 'tracking device' in confidential 2013 strategy

'Android is a massive tracking device' was Apple's internal message in 2013 strategy document.

Document revealed as part of US v Google antitrust trial.

Outlines Apple's privacy approach to differentiate from Google, Microsoft.

Apple later emphasized privacy more in marketing, 'privacy matters' ads.

Slide shows confidential 2013 Apple strategy labeling Android a tracking device.