And we also already offer a number of longer videos (see here). We do plan on doing more but part of the reason we keep them short is that most people don’t want to spend hours and hours learning how to do something…we’ve purposely tried to keep them concise so you can learn something in a shorter amount of time.

That’s where you are dead wrong. Transitions and effects are just distractions that keeps your audience from focusing on the content of your talk. When to use them? — Almost never, if you care about your message, and your audience.