Synopsis:     This week Mark and Shawn are joined by Lisa Parisi and Brian Crosby, two nationally-recognized educators, to discuss the concept of desktop distance learning. Links:Brian's Class WikiEd Tech Talk- Lisa's PodcastLisa's Blog TIPS:   Tech Tip of the Week: Revo Uninstaller- Removes files that the default uninstaller often misses   Teacher Tip of the Week: CIA's World Fact Book- Excellent site for information about countries around the world