It would be fun to program this to fall over when it is time for a coffee break.

“Availabot is a physical representation of presence in Instant Messenger applications. Availabot plugs into your computer by USB, stands to attention when your chat buddy comes online, and falls down when they go away. It’s a presence-aware, peripheral-vision USB toy… and because the puppets are made in small numbers on a rapid-prototyping machine, it can look just like you.”

Via: TechEBlog