Probably not as often as with social media, but return-on-investment is perhaps one of the main issues that comes up when discussions turn to investment in mobile.
InterContinental Hotel Group, admittedly with deeper pockets than many hotels, has thrown its weight behind a concerted push into mobile over the past 12 months, launching apps, mobile versions of its websites and dedicated ad campaigns for mobile search.
Read the full story at: http://www.tnooz.com/2011/02/15/mobile/hotel-group-sees-strong-results-as-mobile-strategy-kicks-in/