I love do it yourself tutorials. Tinkernut.com is the place for all kinds of tutorial and DIY videos but this on is relevant to web video and videoblogging needs.
If you have give a long speech that isn't spontaneous or off the cuff you might want to use a teleprompter.
In this video, you learn how to use a laptop or smart phone to be that teleprompter. I suppose you could do the same with a netbook or tablet but the concept is the same once you understand what you need to do to get it going.