Google just gave Pixel Watch its most important update yet - and it's free to use

Matthew Miller/ZDNET The Pixel Watch 3 is getting a first-of-its-kind, potentially life-saving feature. In a blog post, Google announced that it had received FDA clearance for its Loss of Pulse Detection feature. Also: My new favorite Android smartwatch outperforms Google and Samsung in a crucial way The feature works by tracking your heartbeat. If your heart stops beating -- due to cardiac arrest, respiratory or circulatory failure, overdose, or poisoning -- your watch will automatically turn on more accurate infrared LEDs and look for motion data. If the watch determines you're not responsive, it will start a countdown and audio alarm. If you still don't respond, the watch will place a call to emergency services using your LTE or phone connection, inform them that you don't have a pulse, and share your location. Google says the watch will be able to tell the difference between an actual cardiac event and the user simply removing the watch. Safety features like fall detection an ... Read full article.