Here’s a link to a half-hour presentation by Lawrence Lessig titled "Is Google Book Search ’Fair Use’?". The topic is important. If you use PowerPoint, it’s also valuable to see a very polished alternative.
A while back, I highlighted Dick Hardt’s presentation to show that there are alternatives to running through a list of bullet points when you present. Dick’s presentation is similar to Lessig’s. Some have called Lessig’s style the "Lessig method"--keep the slides very, very simple, perhaps a word or two of text or a simple picture, and focus the slides relentlessly on the needs of what you’re saying at each moment. It’s shown up in some surprising places.