The person on the right side is sitting in a more elevated position, and so with their shoulders relaxed and upper arms at their sides, they only need to extend the forearms to reach the keyboard.
The "numeric keypad" hazard also illustrates why I was motivated to switch my Sun mouse to the left-hand side, and I reversed the buttons in my X11 mappings. This was a reliable way to perplex my coworkers.
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The person on the right side is sitting in a more elevated position, and so with their shoulders relaxed and upper arms at their sides, they only need to extend the forearms to reach the keyboard.
The "numeric keypad" hazard also illustrates why I was motivated to switch my Sun mouse to the left-hand side, and I reversed the buttons in my X11 mappings. This was a reliable way to perplex my coworkers.