Way we communicate with systems / softwares has changed and it has positively impacted auditor.
Below is extract from notes 
(First using Writing programming codes– then Writing Commands in dos –Then using Clicks in windows–Then using TOUCH–Now Voice Recognition–Then brain Signals–Then intuitions.)
(5) Man-machine interface / human-computer interaction – Man-machine interface ensures maximum effectiveness of the information system. Organization concentrated on presenting information that is required by the user and to present that information in the most uncluttered way. It is required to determine what information was necessary to achieve through a careful analysis of the job or task for which the user needed the information.
Human-computer interaction is a discipline concerned with the design, evaluation and implementation of interactive computing systems for human use and with the study of the major phenomena, surrounding them. The approach is user centered and integrates knowledge from a wide range of disciplines.