There's a book I own called "Darkside Zodiac" that claims you can tell a lot about a person by how they maintain their toothpaste. It's honestly a bit truer than it should be. Not to be deterred by superstitious nonsense, Nicole Pannuzzo, a senior at Arizona State University, has mocked up a tube that squeezes out every last ounce of gooey paste while helping to maintain a clean bath area. It's actually a pretty clever bit of industrial design. Read and see more about it here.