a display seems like the only way to go with something like this. having a camera is too invasive but having only audio seems like it would be very limiting. a

a display seems like the only way to go with something like this. having a camera is too invasive but having only audio seems like it would be very limiting. at least with a display you can have a conversation with someone while you glance at it but having to listen to 2 things at the same time isn't something most people can do intel's glasses seemed like the best compromise but it's been years since they announced them so I'm guessing it was only some sort of concept