Up close with a human brain - BBC News
Published February 16, 2016
Views 1.09M | Likes 12.1K | Comments 957
Based on an estimated $0.7–$2 CPM, this video's 1.09M views translate to an estimated $770 – $2.2K in lifetime ad revenue.
Revenue estimate
Based on an estimated $0.7–$2CPM (revenue per 1,000 views) — a rough public estimate, not actual creator earnings, which depend on ad rates, audience geography, and monetization settings YouTube doesn't expose publicly.
Total (all-time)$770 – $2.2K