Presentation Marker allows users to mark on screen directly and zoom into certain portions for quick explanation, so the interpretation or demonstration can be clearer. Moreover, it offers more additional tools ? Spotlight, Curtain, Screen Digital Clock, Arrow Point, Magnification, Screen Capture etc. Presentation Marker could offer a significant help during a product demonstration or foil presentation when there is a need to make annotation on screen for better illustration.
If you give a lot of presentations, product demos, tutorials, and the like, you'll definitely want to add Presentation Marker to your toolset.