The real killer app form me requires a camera (though it doesn’t need to record photos or video for me to access — I have a phone for that). I need a device that tells me who I’m talking to if I’ve been introduced to them before and tell me how I know them (This is Bob Dobbs, you first met him in Texas in 1985 and he saved you at that party when you needed some Slack)”. Especially great when I meet someone out of con…
The bigger problem is that you essentially need to host somewhere a database with personal information of everyone you met, including their names, biometrics and private details. Nonconsensually. And it has to be accessible through the internet. Honestly, just take notes and reread them sometimes, maybe?
But the face recognition, memory of interactions etc should stay on device. That why I said I don’t want it to,take pictures I have access to.