Micro-hotels first popped up in urban centers such as Japan and New York City where real estate is particularly expensive. Packing more rooms into a property made financial sense. In the USA, micro-hotel chains such as Pod, Yotel and CitizenM are expanding to other cities like Miami, San Francisco and Washington, D.C. These are destinations where travelers tend to look for great value and smart design. The micro-hotels are particularly appealing to Millennial travelers, who are starting to travel more and spend more. Get the full story at USA Today