Get the tube boy.. GOOD ROBOT!

[Kusha]

http://hackaday.com/2011/06/04/programming-robots-like-you-would-train-a-pet/

Get the tube, get the tube! Good robot *pats*

Thought this was an interesting concept. Sorta like dead reckoning I guess.

[EthanMiller]

Certainly a lot more agreeable to walking than my cat!

I can see a lot of potential uses - be even cooler with a omnidirectional system under it.

So cool! I want!