What happens most of time is this:
- nobody looks at others,
- everybody look at the projected screen (or a monitor, if there is no projector),
- people stare at the slides even though they have already read them 5 times,
- and worst of all: people tend to turn off their regular intellectual abilities and day-dream to the subtle noise of projector's fan
The mere fact that product development is going to be done on computers and that the product will run on a computer doesn't mean that every aspect of our work must be done with a computer.