There you are, just sitting on a park bench, with the smell of dog poo wafting toward your nostrils because someone didn’t bother to pick up after their pet. It would be great if that poo was gone. And it would also be great to be using free Wi-Fi to Tweet about how crappy it is that it smells like poo, wouldn’t it? A park in Mexico City is trying to solve both of those problems in one go, with poop-fueled free Wi-Fi. [More]