A new iteration of the Optimus robot was unveiled at Tesla's We, Robot event, where Elon Musk said it would eventually walk the dog.

One of the highlights of Tesla’s “We, Robot” event wasn’t the self-driving cars but the allegedly autonomous robots. Tesla’s Optimus bot isn’t new, but this is the first event where actual robots joined the stage—and the crowd—rather than a person in a robot costume. Or was it?

We may be on the brink of a new era where robots not only perform tasks but also become embedded in human society.