I disagree, in that I think that use of rich visuals can be really captivating; but your way can work too. One thing that can be really effective is to use bla

I disagree, in that I think that use of rich visuals can be really captivating; but your way can work too. One thing that can be really effective is to use blank, black slides when you want the audience back. It's amazing how completely that switches everyone's attention back to the speaker.