Guests help design the hotel of the future | usatoday.com

There's a "war room" in the basement of Marriott International's headquarters, and it's not one where its executives plot against Hilton. No, this war room is part of Marriott's new 10,000-square-foot Innovation Lab, a place where employees and hotel owners brainstorm, design and refine their ideas for what the hotel of the future will look like.