Wouldn't it make much more sense to have a device that allows you not only to see who's at your door, but also talk to them directly? If the only thing you get

Wouldn't it make much more sense to have a device that allows you not only to see who's at your door, but also talk to them directly? If the only thing you get is to see a picture of the event after-the-fact, I'm not sure that's so useful. I think it's a terrible under-utilization .. if that's the right word ..