A little light reading. If you've ever wondered who created the autocorrect - here's your answer. It is fascinating to think about the various implications, variations, permutations and deviations in thought required to cope with all the variations in typing.
PS: I thought I was the only person in the world who typed 'teh', 'sue' for use and 'form' for from. Huh.
http://www.wired.com/2014/07/history-of-autocorrect/?src=longreads