Home » Ad Manager 360 Reseller » A line item targeting a special ad unit will always serve to its children ad units. A line item targeting a special ad unit will always serve to its children ad units. Advertisement 5shares Facebook LinkedIn Pinterest Twitter Email MAY BE FALSE TRUE NONE Join our listSubscribe to our mailing list and get interesting stuff and updates to your email inbox. Thank you for subscribing.Something went wrong.We respect your privacy and take protecting it seriously