Comment Comment by ldarby I'm sure it's existed for many years. Ultrasonic tracking apps are from 2015: https://en.wikipedia.org/wiki/Cross-device_tracking#Applicat...Let's try to imagine a world where that exists, keyword detection exists as well ("ok google" etc), and keyword detection for targeted ads doesn't exist. Can you? I can't. parent ldarby 2 years ago
Let's try to imagine a world where that exists, keyword detection exists as well ("ok google" etc), and keyword detection for targeted ads doesn't exist. Can you? I can't.