We love it when smart people invent smart things to make everyone's lives better. If you think about it, it only takes one person to invent something that can change the lives of countless people throughout history. Think of the person who invented the refrigerator; one brilliant idea to use compressed gas to cool air inside a container, and now we can all store food for longer periods of time.
Well, Yup That Exists on Twitter is full of clever and quirky inventions just like that, shared daily. From genius gadgets to designs that seem like something straight out of a sci-fi novel, this page highlights all the weird, practical, and sometimes hilarious things that prove human creativity knows no bounds. We've picked 31 of the coolest inventions they've featured, and honestly, some of these might make you wonder, "How did no one think of this sooner?"