We’ve seen not a few smart mirrors around the Internet lately. Some of them, like Samsung’s Mirror Display, are designed for business customers. Many come as DIY projects for the brave of heart. Few, however, were made for consumers and even fewer are designed to keep you healthy. A new startup named MIRROR is aiming to change that with its eponymous first product, a one-way smart mirror that takes away any excuse not to go to the gym by bringing the gym to you instead.