A new invention wants to help you get your s–t together. The Squatty Potty is trying to change the way people poop, and they’re using a prince, a unicorn and ice cream to spread the word.

Best known for a video that launched Squatty Potty, which featured a rainbow-pooping unicorn, Harmon Brothers has also gotten behind Chatbooks, which makes books from users' digital photos, and ...