This is a cool 5 minute video that showcases generally the features and abilities that are available to teachers and students using Moodle. It’s about 5 minutes and if you’re trying to describe what Moodle does to someone that doesn’t know, it might provide a good foundation/introduction.
According to their site,
MPower is an educational services organization that focuses on building conceptual clarity and strong application skills for students in grades five through college, and above. We provide expedient online tutoring at competitive prices.
Note: though a commercial company, the video does not appear at all “commercial”.