智能出价策略如何以保护隐私的方式提升广告效果？

Smart Bidding strategies enhance ad performance privately by leveraging an advertiser's account conversion data and billions of signal combinations to set accurate bids for each auction. This approach relies on first-party data and contextual signals, minimizing dependence on individual user identifiers. The incorrect options describe methods that either rely on third-party cookies (which are being phased out for privacy reasons), involve exporting audience lists to third-party ad exchanges (which raises privacy concerns), or focus on audience expansion rather than the core bidding mechanism's privacy-preserving nature. Smart Bidding's effectiveness stems from its ability to optimize for conversions using aggregated and anonymized data, aligning with privacy-centric advertising trends.