John Bohannon makes an argument for speaking less and dancing more.  He even created a contest for fellow scientists to dance their phd, instead of power pointing it.  The more ways you can understand, that is the more dynamic your understanding and ability to share your ideas, the more productive and creative we can all be.  But since less is more, watch the videos for yourself.

The contest winners:

http://news.sciencemag.org/sciencenow/2011/10/dance-your-phd-winner-announced.html

The main player speaking about it himself, along with some professional dancers:

http://www.ted.com/talks/john_bohannon_dance_vs_powerpoint_a_modest_proposal.html