Here's what happened when he disappeared for a while: http://www.robotsrule.com/pleo/2009/10/inside-story-behind-pleos-rise-fall-and.htmlUgobe / Pleo
He's back! Forget those robotic dogs - now you can have your very own robotic dinosaur. Much smarter than the dogs are. He's even trainable. Hmmmmmm - those noisy neighbors. I wonder how big he'll get. Plenty of videos at YouTube.