Home - AI-Powered Shopping Ads - Two of these bidding strategies can be used in a Standard Shopping campaign. Which are they? Choose two.Two of these bidding strategies can be used in a Standard Shopping campaign. Which are they? Choose two.2shares Facebook Twitter Pinterest LinkedIn Skype Facebook Messenger Enhanced cost-per-click (eCPC)Viewable cost per impression (CPM)Maximize conversion valueTarget return on ad spend (tROAS)