1. Swipe up for recommended content. 2. Take control of video quality in iOS YouTube app. 3. Fine-tune YouTube’s recommendations. 4. Stop auto-play in iOS YouTube app. 5. Embrace the notch. 6. Add a video to watch later. 7. Speed it up (or slow it down). 8. Watch quietly (with captions). 9. Buy & rent movies. 10. Get the YouTube Kids app.