Replay Screencast is the easiest way to capture whatever you see on your screen, and turn it into a movie file, or "screencast." You can also add audio from the microphone or any other source. It's a great way to make awesome Software or Web site Tutorials, make videos from Powerpoint presentations, record IM and Chat sessions, record Webcasts, and more! Just click the Record button, and your video is build automatically while you narrate. Movies are converted to Windows Media format, which makes them easy to distribute or place on Web sites.