A marketer advertises in many markets around the world, including Germany and France. They've started running YouTube and Search campaigns with Google, and they measure online conversions. What three things should this marketer know about the impact of regulatory changes on measurement and audiences for their business? Select three.

Regulatory changes like the Digital Markets Act (DMA) in Europe create significant shifts in how user data is handled, primarily impacting the accuracy of cross-device and engaged-view conversions, which causes performance data for YouTube campaigns to begin to degrade as traditional tracking signals weaken. Furthermore, marketers must navigate the evolution of audience targeting, as remarketing in DV360 and GDA shifts toward integration with the Privacy Sandbox to maintain re-engagement capabilities via privacy-preserving APIs when Google tags are deployed. Finally, the loss of third-party identifiers means the quality of conversion modeling will be impacted, particularly for users on the Safari browser where Intelligent Tracking Prevention (ITP) further restricts the data available to fill measurement gaps, necessitating a shift toward first-party data and consent-based frameworks to maintain reliable reporting.