Ever wanted to explain to your mom what a blog is? Here's a nifty little screen cast from Lee and Sachi LeFever at the CommonCraft show that does just that:

Last week I posted a screencast on OpenID that has garnered some good comments from friends and even family ("oh, now I get it!"). I'm a big fan of this new medium. I've used it to augment classroom instruction in CS330. I want to try some of these "whiteboard" type screencasts for fun.