And where else but at South by Southwest? The Japanese competitive eater who ate 53.5 hot dogs in the 2006 Nathan’s Hot Dog Eating Contest broke the record for the number of grilled-cheese sandwiches consumed in a minute at the GroupMe Grill at SXSW today. Along with panels such as “The Mind and Consciousness As an Interface,” the grilled-cheese event was part of the festival’s “Interactive” weekend.