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The same Device ID goes by eight different names depending on the platform
To count the same person twice, for a frequency cap or a retarget, you need one identifier that holds still across visits. Device ID looks like the cleanest option: no login, no cookie sync, generated automatically just from using the...
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The same ad reaches you again because the ID counting it keeps disappearing
You get the same ad ten times in one evening. That campaign almost certainly had a frequency cap set well...
Matching people by meaning does not say who you may advertise to
A sportsbook asks for the people most likely to bet on football. The closest match anywhere in the data lives...
Finding the closest audience without comparing them all
Embedding targeting is usually explained as comparing two vectors. The step before that, picking which vectors to compare against at...