Lincoln served as postmaster in New Salem, Illinois, and later as county surveyor, all the while reading voraciously. He decided to become a lawyer and began teaching himself law by reading Blackstone’s Commentaries on the Laws of England and other law books. Of his learning method, Lincoln stated: “I studied with nobody”.
Yes, they do exist. See Ava at https://www.avarobotics.com/telepresence-robots