Microsoft PowerPoint is a slide show presentation program currently developed by Microsoft, for use on both Microsoft and Apple Macintosh operating systems. PowerPoint, initially named "Presenter", was created by Forethought Inc.. Microsoft's version of PowerPoint was officially launched on May 22, 1990, as a part of the Microsoft Office suite. PowerPoint is useful for helping develop the slide-based presentation format and is currently one of the most commonly used slide-based presentation programs available. Microsoft has also released the PowerPoint mobile application for use on Apple and Android mobile operating systems.