People, we have a winner. Meet Joe,the winner of last week's Powerpoint Karaoke Competition at Republic Coffee.

Here's how it works. Wanna-be presenters sign up to give a presentation that they've never seen before. They don't know the topic before they stand up. The presentation is about four minutes long with slides that automatically rotate every 20-30 seconds.

Here's the winning presentation:

You can view all of the other presentations (including mine, called "Your Family is Concerned About Your Internet Addiction") on YouTube.