It's perfect for quickly checking the results while following along, understanding the flow of how it works, and then studying it in detail again, and it seems good for reviewing. However, the biggest drawback of this lecture is that it's very uncomfortable to watch because it doesn't allow for zooming in or making the font larger. I hope the instructor will edit the video later when he has time. It's at least comfortable to watch if you watch it full screen on a 27-inch monitor...