SiriusXM rolls out AudioID to track its audience across its apps Pandora and Stitcher and its satellite radio service, offering first-party ad targeting (Sarah Perez/TechCrunch)

Sarah Perez / TechCrunch:
SiriusXM rolls out AudioID to track its audience across its apps Pandora and Stitcher and its satellite radio service, offering first-party ad targeting  —  The use of tracking cookies is winding down, and Apple's anti-tracking privacy update has impacted mobile apps' advertising revenues.

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