Apple plans to roll out a major update to iOS this spring, requiring an opt-in before apps can track users across channels. "Behind the Numbers" host Marcus Johnson turns the tables on eMarketer principal analyst at Insider Intelligence Nicole Perrin to ask about the latest research on AppTrackingTransparency opt-ins, the China Advertising ID (CAID), and how advertisers are preparing.
Apple is facing yet another potential hurdle to IDFA: As Chinese tech companies work on a new way to track users on mobile devices, Apple will be faced with either barring a slew of Chinese developers altogether or forging ahead on a policy with no teeth.
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