alt Hacker Newsyup that's what the Apple Watch double tap gesture does. On the hand wearing the watch you tap your thumb and index finger together 2 times in quick succession and the watch recognizes that unique motion pattern on your arm and does [something].
yup that's what the Apple Watch double tap gesture does. On the hand wearing the watch you tap your thumb and index finger together 2 times in quick succession and the watch recognizes that unique motion pattern on your arm and does [something].