These videos are great on so many levels. If someone bolts into your office and asks, "what's RSS?", "what's this Podcasting stuff?" or "how do I explain what a wiki is?" you really don't have to send them a Wikipedia link. All you really have to do is refer them over to the Common Craft Blog. All of the Common Craft videos are simple, fun and easy to understand (is there a better way to learn?).
Check this out: