The appearance of invention can be divided to three types. One brakes off the conventional inconvenience. Another one makes something conventionally impossible to be possible, and the other one makes it even worse. However, it takes time for us to realize that the last type of inventions is actually making it worse. recently, we have had many IT tools since windows 95® has been sold out. Actually it's been only 10 years since many …showed first 75 words of 1263 total…

…showed last 75 words of 1263 total…presentation if we could use PowerPoint properly and effectively; then presentation would be much attractive and simply better. That is the best ideal situation, and that is what we hope. However, PowerPoint can kill the essential purpose of presentation because of its convenience. To prevent that, we have to make sure that PowerPoint is just a tool to make our presentation efficient, data is just data, and the main lead of the presentation is us.