For the past century, Marriott has been one of the largest hotel chains in the world. Now, the hotel giant is entering the outdoor hospitality market. Marriott announced last week that it acquired Postcard Cabins, a hospitality brand that caters to nature and camping enthusiasts. The company brings its 1,200 "glamping" cabins to the Marriott brand. Postcard Cabins was founded in 2015 and provides an outdoor camping experience to guests located 2 miles from most major cities. "As guests are incre...