Which of the following is NOT a traffic source (i.e. not a “Default Channel Group”)? By vmartinez Which of the following is NOT a traffic source (i.e. not a “Default Channel Group”)? Organic Search Social All of these are traffic sources Impressions Referral Related content Related questions:When a new shopping campaign is created, and ad…An advertiser is managing a multi-ad group campaign…Which advertising channel is considered an offline…True or False: Traffic Sources report in Traffic…