You’re not using video yet? Why not?
It used to be difficult and time consuming to get videos up and running online, but now we have low cost tools that make it very simple.
For $80 or less, you can pick up a HD webcam. There are free screen recording tools such as Jing. And it costs under $200 to get a pocket HD camcorder.
Watch this quick video by Terry Dean for more low cost video tools.