ATLANTA, June 23, 2011—IHG (InterContinental Hotels Group) [Lon: IHG; NYSE: IHG (ADRs)], the world’s largest hotel group by number of rooms, today announced the continuation of its mobile app strategy with iPhone booking apps for each of its seven brands – InterContinental® Hotels & Resorts, Hotel Indigo®, Crowne Plaza® Hotels & Resorts, Holiday Inn® Hotels and Resorts, Holiday Inn Express®, Staybridge Suites® and Candlewood Suites®. These new apps provide customers....