Today in many regions ( especially the U.S. ) , it has been superseded by Gregg shorthand , developed by John Robert Gregg .
Part of its popularity was due to the fact that it was the first subject taught by correspondence course .
Today in many regions ( especially the U.S. ) , fact has been superseded by Gregg shorthand , developed by John Robert Gregg .
Part of its popularity was due to the fact that it was the first subject taught by correspondence course .