I have multiple questions around marketing channel logic
1. Can anybody explain or point me to documentation for the dimension "Marketing channel", which can be used in workspace projects? Does this dimension expire at the end of a visit? Can a single visitor be bucketed into multiple "marketing channels" at once?
I assume first touch channel is the first marketing channel used by the visitor and should never change. I assume last touch channel is the most recent channel used by the visitor and may change depending on which channel they arrived through most recently AND channel overriding logic.
2. Marketing channel expiration - what is the impact of this admin setting on marketing channel, first touch channel, and last touch channel?
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