Unknown devices
When a person has devices that are not used to interact with your brand, those devices are called unknown devices.
Unknown device categories
There are several ways or categories by which a device may be considered “unknown” to you. These include:
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First-party visits to other Device Co-op members: Visits to other Device Co-op member sites or advertising to a device does not, by itself, make a device known to your brand.
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Not tracked ad inventory: Advertising inventory that is available, but not yet served or ingested does not make a device known to your brand.
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Consumer opt-out: To respect consumer desire, devices that have been opted-out are not considered known devices.
Unlike known devices, unknown devices are not linked to other devices or associated with individual people.
Rules for setting known/unknown status
The Device Graph tries to be inclusive as possible when classifying devices as known compared to unknown. The rules that help determine known/unknown status work in priority order (1 is highest) as shown below:
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Rule 1: Is the device opted-out? If yes, then the device is unknown.
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Rule 2: Is the device known by any method? If yes, then the device is known.
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**Rule 3: ** If the previous do not apply, the device is unknown.