Hands-free control of onscreen content. Can include forward and backward navigation, the triggering of animation, and the reveal of hidden content. Freak out guests by establishing your ability to speak instructions with a few presentation-related requests, then look up and ask aloud for rain.
It’s a wow effect for even the simplest of sales presentations. Typically done on premises but can be done on the road as well. Stand out in the crowd regardless of how much farther you push interactivity.