“Remember, if you made a mistake, you simply need to press Ctrl-Z for undo and the software will undo the previous error made.” I’ll sure that we are very familiar with the Ctrl-Z command throughout whatever software that we were taught or used. Sometimes we might even ask ourselves this question “Why can’t life be as easy as the way it seems to be? Why can’t we erase the mistake that we’ve made and live like it never happened before?”