You ever watched “Shark Tank” before? There is an episode where Aaron Krause is walking onto the Shark Tank stage holding a bright yellow, smiley-faced sponge. It looks almost like a toy, cheerful and a little goofy(You’ve probably seen them in every grocery store). And a few sharks smirk before he even opens his mouth. Like what the heck is that…… Hahahha Then he demonstrates it: firm and scratchy in cold water, soft and gentle in warm water. I know you already know what it is….. That single...