Google's Little Signals experiment uses air to send distraction-less notifications - Android Police

1. Google's Little Signals experiment uses air to send distraction-less notifications  Android Police
2. Google's Little Signals concepts show what 'ambient' notifications could look like  The Verge
3. Google is testing weird notification concepts that engage with your senses  Android Central
4. Google project replaces loud notifications with puffs of air and shadows  Input
5. Little Signals Devices Promote Subtle Technology  HYPEBEAST