But there it is: A wheeled device that infers its surroundings (and changes in them), queries nearby people, conducts searches on material to further develop it, snaps pictures and video, and publishes the result. It was developed in the informatics lab at Tokyo University.
Not dissimilar to devices that go where humans dare and should not in war zones, theses devices are surrogates. Unlike those, though, these are autonomous and not remote controlled.