In the early 80s, during the origins of home computing, there was a case of a school teacher that brought a computer home. Whilst, he had the device at home working in a early program called, "EdWord", he came into communication with what seemed to be a time traversing spirit.
This occurrence inspired the writing of a book titled, The Vertical Plane. The book itself seems to be hard to come by, as a quick search via Amazon, or Ebay didn't come back with any positive search results.
Check out the video below.