For stays completed by July 31, 2014, Hilton HHonors members can choose double points or double miles at any participating hotel in the Hilton Worldwide portfolio. You must register prior to checkout of your first stay within the promotional period and your selection of bonus points or miles will apply to all promotional stays. If registering for double miles, you must select Points and Miles as your double dip earning style and choose the airline program in which you wish to earn miles from the list of Hilton airline partners. Visit http://www.insideflyer.com/link/?11456 to learn more and to register for the promotion.
Bottom line: There is an extensive list of hotels that are not offering this promotion at http://www.insideflyer.com/link/?11455