Interesting concept, but I doubt it will take off. The present version would be easily breakable by image-processing and some scripting. They could obfuscate th

Interesting concept, but I doubt it will take off. The present version would be easily breakable by image-processing and some scripting. They could obfuscate the image, but then you're in the same war-of-attrition you see with text-based captchas today. Text captchas suck, but they're the only thing that's ever been shown to be robust over the long term.