Standard QWERTY Keyboard vs. a Stenography Keyboard

This video has a side by side comparison of a Standard QWERTY Keyboard vs. a Stenography Keyboard.  Note the speed and accuracy of the steno compared to the QWERTY.  The demonstration was done using Steno Arcade.

You can see the speed and comfort of stenography keyboard over QWERTY keyboard in terms of overall hand movement as well as accuracy and typo-correction.