Apple Watch Series 9 Adds New Gestures, On-Device Siri for More Hands-Free Use

Review of the Apple Watch Series 9

Key points:

1. Introduction of new methods of interaction: Double Tap and Raise to Speak (to Siri)
2. On-device Siri processing for convenient voice control
3. Enhanced fitness tracking capabilities and carbon neutral product

(Note: Battery life, new UWB chip, and screen brightness are also mentioned in the content, but they are not included as key points since they are not as significant as the ones listed above.)