Apple Watch Series 4 Fall Detection is off by default unless you're 65 or older

The new Apple Watch Series 4 has a new Fall Detection feature. If someone wearing the latest version of the timepiece takes a particularly hard fall while wearing it, they will hear an alarm, feel a tap on the wrist and get to choose from one of three options: Contact Emergency Services, Dismiss the alarm because they fell but are okay, or Dismiss the alarm because they didn't fall.

If an Apple Watch Series 4 wearer falls, but doesn't move for a minute, a 15 second countdown commences. After that time expires, the watch sounds an alarm so loud that people standing ...