More "hidden" features not mentioned here:
- You can do math and conversions in spotlight, look at sports scores, stock quotes, and more
- You can add attachments to emails from iCloud Drive, Dropbox, etc
- You can use share sheets in different apps to create a note
- Proactive features, like reacting when you plug in headphones, making calendar events automatically based on emails, and more
- Turn flash on and off during a video recording
The video had an inaccuracy: Low power mode adds up to an additional three hours of battery life. By default, iOS 9 adds up to an addition one hour of battery life—even outside of low power mode.