Tweenbots: Cute Beats Smart

Tweenbots: Cute Beats Smart - O'Reilly Radar: "If you wanted to build a robot that could go from one end of Washington Square Park to the other without your help how would you do it? How expensive in time and money would it be? Would you build or buy a navigation system? Construct a sensing system to detect obstacles? Or would you decide to take a different tact and use cute as your primary tool?"