Keeping an Eye on Technology Futures, No Hidden Agendas, New Attitudes, No Platitudes!
You've heard the advice about how to make a presentation: "Tell what you're going to tell them; then tell them; and then tell them what you told them". That almost gives you a license to be boring. Forget it.
Especially when you're giving a Marketing or Sales presentation, take some lessons from Steve Jobs. His iPhone introduction had five lessons for making a superb pitch (weblink below).