Prezi - Web-based presentation software.
Prezi offers an alternative to PowerPoint. It is free, and easy to use. Below are some cheat sheets and videos to help you get started.
How to start with Prezi: Prezi Startup
Learn some of the basics: Prezi Basics
How to import a PowerPoint into Prezi: Importing PowerPoint
Tips for a great Prezi: Prezi Tips
Learn some of the basics: Prezi Basics
How to import a PowerPoint into Prezi: Importing PowerPoint
Tips for a great Prezi: Prezi Tips