Front-projection interactive whiteboards Use a online video projector in front of the whiteboard. A downside of front-projection whiteboards is that the presenter, standing in front of the display screen, must lengthen their arm with or without a stylus to stop casting a shadow. Also, most IWBs are equipped with program https://interactive-whiteboard46791.thezenweb.com/new-step-by-step-map-for-interactive-whiteboard-72170282