PowerPoint is indeed a very powerful multimedia tool. It is an ideal tool for storytelling. We may employ a wide range of animation effects, trim and bookmark certain segment of the audio and video insertion, using appropriate design to show special effect to create suspend and climax.
We may export the presentation in the form of video (MP4) which may be uploaded to video log such as YouTube. This an example of storytelling which uses a few combination of animation effects for each slide.