What type of audience solution allows advertisers to use their own first-party signals? By vmartinez What type of audience solution allows advertisers to use their own first-party signals? Contextual Ad Placement Amazon audiences Advertiser audiences Related content Related questions:Which type of audience solution uses Amazon…Amazon DSP is a secure, privacy-safe, and…Which audience solution helps you build custom…______ is a secure, privacy-safe, and cloud-based…