# YouTube — Video Posts (Primary)

YouTube is **video-first**. Primary publish = MP4 upload.

## Specs

| Item | Recommendation |
|------|----------------|
| Format | MP4 (H.264 + AAC) |
| Resolutions | 1080p or 4K; 16:9 standard |
| Shorts | 9:16 vertical, ≤60s (separate surface) |
| Length | Explainer 2–10 min; Shorts 15–60s |

## PostSync today

Live when `VIDEO_PROVIDER=ffmpeg` and post has generated MP4.

## Storyboard (Short 60s)

1. Hook (0–5s)
2. Problem (5–20s)
3. Demo/solution (20–45s)
4. CTA (45–60s)

## Privacy

Env: `YOUTUBE_VIDEO_PRIVACY` — public | unlisted | private