Using a Wireless Pointer in Assembly
Using a computer to show images and videos to your assembly audience can mean you end up sitting at a desk next to your laptop. Of course, you would really like to be stood up facing them, and speaking towards them.
Why not invest in a wireless pointer so that you can control your laptop, and point at parts of the screen when you want to.
Here is an example of a wireless pointer.
This one even allows you to blank the screen whenever you need to.
There are many models of pointer available. For those that are interested, this particular model is available here.