The Scrambler
What is this?
The scrambler randomizes the letters between the beginning and end of a word. Some people can read the results. Try it with a reasonably long sample of text that has a good number of words more than three letters long.
The sclbmerar roadzemins the lreetts bteewen the bngiening and end of a wrod. Some peolpe can read the rultess. Try it with a relbsnaoay lnog spmlae of txet that has a good nbumer of wdors more tahn terhe lrtetes lnog.