I'm using opencv with facial detection running in the browser as JavaScript. The technology is here and isn't going away.
Realistically, smartphones are tracking everyone all the time and provide rich datasets. Camera, microphone, and GPS. If you turn off location services your phone still connects to cell towers, WiFi access points, and Bluetooth beacons, as you drive or walk around throughout your day.
Realistically, smartphones are tracking everyone all the time and provide rich datasets. Camera, microphone, and GPS. If you turn off location services your phone still connects to cell towers, WiFi access points, and Bluetooth beacons, as you drive or walk around throughout your day.