You can make yourself crazy trying to consciously monitor the constantly changing body signals ofaroomfulofpeople to little avail, because by the time you sort it all out, the conversation has moved on.
Many workers have stared at an empty PowerPoint page with dread, knowing that their thoughts and ideas would be projected onto a screen to aroomfulofpeople and believed that the best way to fill the void is with faux words that sound more important than they are.