How do you structure the first 3 seconds of a short-form video to maximize viewer retention above 70%?

### 3-Second Hook Mechanics 1. **Visual Pattern Interrupt**: Start with physical movement or unexpected visual action in frame 1. 2. **On-Screen Text Hook**: Display bold summary text overlay answering 'Why should I watch this?'. 3. **Audio Hook**: State the core problem or surprising fact immediately without intro fluff ('Stop doing X if you want Y'). ### Metric Benchmark Aim for > 70% retention at 3 seconds and > 40% completion rate for organic algorithm distribution.

### 3-Second Hook Mechanics 1. **Visual Pattern Interrupt**: Start with physical movement or unexpected visual action in frame 1. 2. **On-Screen Text Hook**: Display bold summary text overlay answering 'Why should I watch this?'. 3. **Audio Hook**: State the core problem or surprising fact immediately without intro fluff ('Stop doing X if you want Y'). ### Metric Benchmark Aim for > 70% retention at 3 seconds and > 40% completion rate for organic algorithm distribution.