I think the metric used by the humanity is simple: if something can talk to us, it is sentient. If something can't talk to us, it is not sentient. I suppose ma

I think the metric used by the humanity is simple: if something can talk to us, it is sentient. If something can't talk to us, it is not sentient. I suppose many will be hugely surprised to realize the emergence of highly developed artificial intelligences, capable of many things but unable to talk. They'll probably end having a loooong debate - decades? - discussing if the (new) things around us are sentient or not. Tip: humans think slowly