Google hosts all sorts of presentations, ranging from wilderness survival to nuclear power proposals. Fortunately they record and post the videos on Google Video. The presenters are for the most part really good. Even if the topic isn’t particularly interesting to me, the presentation techniques usually are.
One thing I’ve learned is that humor is essential to keeping the attention of an audience. The presentation doesn’t need to be punch line after punch line, but a joke or comical graphic tends to perk up the listeners. Sounds a little gimmicky, but when proportioned with information correctly it doesn’t come off as a ploy.
This goes back to my Professional Communications course, know your audience. If your audience is Google you can take a few comical liberties. 🙂