Home » Amazon DSP Certification » Hong has launched a campaign for his client which will run for 60 days. When is the earliest recommended time he should begin reviewing performance data toward optimization? Hong has launched a campaign for his client which will run for 60 days. When is the earliest recommended time he should begin reviewing performance data toward optimization? by Advertisement 5shares Facebook LinkedIn Pinterest Twitter Email 10 days 1 day 7 days 30 days 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