The source of that article is very clear that the device types are not known: https://www.404media.co/heres-the-pitch-deck-for-active-listening-ad-targeting/ h

The source of that article is very clear that the device types are not known: https://www.404media.co/heres-the-pitch-deck-for-active-listening-ad-targeting/ https://www.404media.co/heres-the-pitch-deck-for-active-list... Given that this a slide deck for a cable company’s advertising arm, it would be entirely plausible that this data comes from the hardware they give customers which is completely customized for their needs. If they were using phone apps, for example, we’d see people asking why the Cox cable app is using their iPhone’s microphone.