Good point, Jack. The reason is that paper forms have to be entered into the system by keyboardists -- a second human point of alteration of data.

On a handheld,t he data is transmitted electronically to the computing system, which makes the error rate less, because computer transfers do automatic error-checking of variosu kinds for every packet and file they exchange. Humans delude themselves more easily than electronic systems. Except when sunspots flare.


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