A defined group of users available for targeting, described by demographics, interests, behaviors, or purchase signals, and supplied by a platform, a data provider, or the advertiser. Segments are the unit of the third-party data marketplace and are priced per CPM when bought. Agency Echelon's audience finder indexes segments from major providers.
Used in The Signal
- Ad Fatigue Has Math. Use It.
- B2B Quietly Works on Meta
- Broad Targeting Won. Creative Is the Targeting Now.
- Case Study: Duncan Hines, Birds Eye, and Proving Facebook Moved Groceries
- Case Study: eBay Germany, $25.7 Million in Two Weeks
- Case Study: Simon Malls, From Clicks to Foot Traffic
- CTR Benchmarks Are Where Strategy Goes to Hide
- Landing Page Benchmarks Are a Comfort Blanket
Cite this entry:
Agency Echelon. "Audience Segment." Agency Echelon Reference, reviewed September 2026. https://agencyechelon.com/reference/glossary/audience-segment/