For SaaS selling to marketing teams, Meta ad activity provides near-perfect targeting. Creative testing SaaS: qualify companies with 5+ active creatives (already investing in creative testing). Landing page platform: qualify companies with high impression estimates without matching conversion improvements. Attribution tool: qualify companies running multiple ad formats suggesting multi-touch complexity. Each use case maps to a specific Meta Ad Library signal pattern. Demo at omnionlinestrategies.com/meta-ad-library-lead-qualifier.