"If you're planning to wrap up your presentation with a half-hearted call for "any questions?" followed by a "thank you" and a quick exit, then you haven't planned your whole presentation," writes Deborah Grayson Riegel (photo, left) at Inc.com.

"In fact, you're missing out on a critical opportunity to reinforce your key message, offer a final appeal to gate keepers or decision makers, and make yourself and your pitch memorable."