However! This video tutorial itself opens with an interminable static shot of a visually boring bar graph, which, by his own admission, does not provide a good example of how videos should start. A classic case of "Do as I say, not as I do." And because the video supports an unscripted lecture, it tends to meander.
But there's plenty of good advice within it to warrant your attention.
Tell us -- what are some of the techniques you have used, or have seen used, to create compelling openings for video stories?