According to Wikipedia, Doujinshi is an art, anime, manga, or game created by armatures for other people who like the same thing. Doujin is just a group of people who share a common interest.
Presenter View in PowerPoint. Presenter View in PowerPoint is a great feature that can save you time and let you improve your presentation effectiveness during a meeting. By using Presenter View you can for example read your speaker notes in PowerPoint while your audience see the full presentation slideshow.
The purpose of PowerPoint is to act as a visual aid as a presenter goes along presenting their option, ideas, sales pitch, etc. Make sure to not make your slides too wordy and concentrate on adding only basic bullet points.