Jon, Today's instructors realize that their younger students are tech savvy and accustomed to lots of multimedia presentation. Even older students can think many times faster than a talking instructor, so selecting media that keeps attention is important. That said, instructors also have to be very selective in what media they choose, as there is so much out there these days, it would be possible to select a lot of variety, but if these choices miss the goal of student learning, the time and effort would be wasted. Your choices sound interesting and appropriate. Barry Westling