Apple Watch series 9 launches with new 'double tap' feature: How it works

Apple (AAPL) is set to launch the Series 9 on Friday, with prices starting at $399. The Series 9 introduces new enhancements, including a 'double tap' feature that enables users to control specific watch functions by simply tapping their fingers twice. Yahoo Finance's Dan Howley delves into the details of the Apple Watch's latest technological advancements, spanning from phone location capabilities to the cutting-edge S9 chip.