Marketing channels variables persist and are also checked for every hit.
Once they're set on first hit of the visit, that value continues to
persist unless overwritten by a new value on any further hit.For
example:Hit 1 : A visit starts with Paid search. MC = PaidHit2 : Next
page of web site , MC = Paid // since value is persisting~~Now user goes
to social media and then clicks on a link to land on the same website.
It'll be considered as same visitor.~~Hit 3 : MC = Social // channel is
overwrit...