After mapping a segment to an external destination, the user notices in the dataflow run tab that some of the identities have been excluded.
What are two things that could cause this issue? (Choose two.)
A company launches a Facebook campaign with a custom landing page that was supposed to give a $50 voucher to customers who order within 2 hours of clicking on the link. The web developers forgot to add the tracking code to the checkout process, so the company does not know who ordered from the Facebook campaign-How should an engineer create the segment?
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