For better or for worse, the corporate world relies on PowerPoint...and sometimes your ability to make effective PPT decks will determine the trajectory of your career!
Quick Tip: keep a slide deck of all of your favorite PPT slides that you have created/stolen over the years. It will come in handy and make your life a lot easier to have a repository of top-quality slides ready to go.
As you can see from Joe's video, PPT revisions can be annoying and take up a lot of time...save your self by using your stockpile of great slides!