Add tagged contacts to targeted ad audience for retargeting

Tagged subscribers aren't reaching ad audiences, so engaged contacts stay untargeted and campaigns underperform. Adds tagged contacts to the ad audience so retargeting runs within campaign windows.

Overview

When tags applied in your marketing system don't make it into advertising audiences, engaged subscribers slip out of retargeting windows and campaign impact drops. This flow ensures tagged contacts enter the right ad audience within minutes so campaign managers can launch coordinated retargeting during campaign windows.